Merge branch 'akpm' (patches from Andrew)

Merge more updates from Andrew Morton:

 - almost all of the rest of MM

 - misc bits

 - KASAN updates

 - procfs

 - lib/ updates

 - checkpatch updates

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (124 commits)
  checkpatch: remove false unbalanced braces warning
  checkpatch: notice unbalanced else braces in a patch
  checkpatch: add another old address for the FSF
  checkpatch: update $logFunctions
  checkpatch: warn on logging continuations
  checkpatch: warn on embedded function names
  lib/lz4: remove back-compat wrappers
  fs/pstore: fs/squashfs: change usage of LZ4 to work with new LZ4 version
  crypto: change LZ4 modules to work with new LZ4 module version
  lib/decompress_unlz4: change module to work with new LZ4 module version
  lib: update LZ4 compressor module
  lib/test_sort.c: make it explicitly non-modular
  lib: add CONFIG_TEST_SORT to enable self-test of sort()
  rbtree: use designated initializers
  linux/kernel.h: fix DIV_ROUND_CLOSEST to support negative divisors
  lib/find_bit.c: micro-optimise find_next_*_bit
  lib: add module support to atomic64 tests
  lib: add module support to glob tests
  lib: add module support to crc32 tests
  kernel/ksysfs.c: add __ro_after_init to bin_attribute structure
  ...

20 files changed, 3142 insertions, 2078 deletions

diff --git a/lib/Kconfig b/lib/Kconfig
index 87ecd41031bd..fe7e8e175db8 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -103,8 +103,7 @@ config CRC32
 	  functions require M here.
 
 config CRC32_SELFTEST
-	bool "CRC32 perform self test on init"
-	default n
+	tristate "CRC32 perform self test on init"
 	depends on CRC32
 	help
 	  This option enables the CRC32 library functions to perform a
@@ -432,8 +431,7 @@ config GLOB
 	  depends on this.
 
 config GLOB_SELFTEST
-	bool "glob self-test on init"
-	default n
+	tristate "glob self-test on init"
 	depends on GLOB
 	help
 	  This option enables a simple self-test of the glob_match
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 66fb4389f05c..55735c9bdb75 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1739,6 +1739,14 @@ config TEST_LIST_SORT
 
 	  If unsure, say N.
 
+config TEST_SORT
+	bool "Array-based sort test"
+	depends on DEBUG_KERNEL
+	help
+	  This option enables the self-test function of 'sort()' at boot.
+
+	  If unsure, say N.
+
 config KPROBES_SANITY_TEST
 	bool "Kprobes sanity tests"
 	depends on DEBUG_KERNEL
@@ -1790,9 +1798,10 @@ config PERCPU_TEST
 	  If unsure, say N.
 
 config ATOMIC64_SELFTEST
-	bool "Perform an atomic64_t self-test at boot"
+	tristate "Perform an atomic64_t self-test"
 	help
-	  Enable this option to test the atomic64_t functions at boot.
+	  Enable this option to test the atomic64_t functions at boot or
+	  at module load time.
 
 	  If unsure, say N.
 
diff --git a/lib/Makefile b/lib/Makefile
index f1a0364af377..445a39c21f46 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -50,6 +50,7 @@ obj-$(CONFIG_TEST_KASAN) += test_kasan.o
 obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
 obj-$(CONFIG_TEST_LKM) += test_module.o
 obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtable.o
+obj-$(CONFIG_TEST_SORT) += test_sort.o
 obj-$(CONFIG_TEST_USER_COPY) += test_user_copy.o
 obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o
 obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o
@@ -92,6 +93,7 @@ obj-$(CONFIG_CRC16)	+= crc16.o
 obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
 obj-$(CONFIG_CRC_ITU_T)	+= crc-itu-t.o
 obj-$(CONFIG_CRC32)	+= crc32.o
+obj-$(CONFIG_CRC32_SELFTEST)	+= crc32test.o
 obj-$(CONFIG_CRC7)	+= crc7.o
 obj-$(CONFIG_LIBCRC32C)	+= libcrc32c.o
 obj-$(CONFIG_CRC8)	+= crc8.o
@@ -161,6 +163,7 @@ obj-$(CONFIG_CORDIC) += cordic.o
 obj-$(CONFIG_DQL) += dynamic_queue_limits.o
 
 obj-$(CONFIG_GLOB) += glob.o
+obj-$(CONFIG_GLOB_SELFTEST) += globtest.o
 
 obj-$(CONFIG_MPILIB) += mpi/
 obj-$(CONFIG_SIGNATURE) += digsig.o
diff --git a/lib/atomic64_test.c b/lib/atomic64_test.c
index 46042901130f..fd70c0e0e673 100644
--- a/lib/atomic64_test.c
+++ b/lib/atomic64_test.c
@@ -15,6 +15,7 @@
 #include <linux/bug.h>
 #include <linux/kernel.h>
 #include <linux/atomic.h>
+#include <linux/module.h>
 
 #ifdef CONFIG_X86
 #include <asm/cpufeature.h>	/* for boot_cpu_has below */
@@ -241,7 +242,7 @@ static __init void test_atomic64(void)
 	BUG_ON(v.counter != r);
 }
 
-static __init int test_atomics(void)
+static __init int test_atomics_init(void)
 {
 	test_atomic();
 	test_atomic64();
@@ -264,4 +265,9 @@ static __init int test_atomics(void)
 	return 0;
 }
 
-core_initcall(test_atomics);
+static __exit void test_atomics_exit(void) {}
+
+module_init(test_atomics_init);
+module_exit(test_atomics_exit);
+
+MODULE_LICENSE("GPL");
diff --git a/lib/crc32.c b/lib/crc32.c
index 7fbd1a112b9d..6ddc92bc1460 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -340,827 +340,3 @@ u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len)
 }
 #endif
 EXPORT_SYMBOL(crc32_be);
-
-#ifdef CONFIG_CRC32_SELFTEST
-
-/* 4096 random bytes */
-static u8 const __aligned(8) test_buf[] __initconst =
-{
-	0x5b, 0x85, 0x21, 0xcb, 0x09, 0x68, 0x7d, 0x30,
-	0xc7, 0x69, 0xd7, 0x30, 0x92, 0xde, 0x59, 0xe4,
-	0xc9, 0x6e, 0x8b, 0xdb, 0x98, 0x6b, 0xaa, 0x60,
-	0xa8, 0xb5, 0xbc, 0x6c, 0xa9, 0xb1, 0x5b, 0x2c,
-	0xea, 0xb4, 0x92, 0x6a, 0x3f, 0x79, 0x91, 0xe4,
-	0xe9, 0x70, 0x51, 0x8c, 0x7f, 0x95, 0x6f, 0x1a,
-	0x56, 0xa1, 0x5c, 0x27, 0x03, 0x67, 0x9f, 0x3a,
-	0xe2, 0x31, 0x11, 0x29, 0x6b, 0x98, 0xfc, 0xc4,
-	0x53, 0x24, 0xc5, 0x8b, 0xce, 0x47, 0xb2, 0xb9,
-	0x32, 0xcb, 0xc1, 0xd0, 0x03, 0x57, 0x4e, 0xd4,
-	0xe9, 0x3c, 0xa1, 0x63, 0xcf, 0x12, 0x0e, 0xca,
-	0xe1, 0x13, 0xd1, 0x93, 0xa6, 0x88, 0x5c, 0x61,
-	0x5b, 0xbb, 0xf0, 0x19, 0x46, 0xb4, 0xcf, 0x9e,
-	0xb6, 0x6b, 0x4c, 0x3a, 0xcf, 0x60, 0xf9, 0x7a,
-	0x8d, 0x07, 0x63, 0xdb, 0x40, 0xe9, 0x0b, 0x6f,
-	0xad, 0x97, 0xf1, 0xed, 0xd0, 0x1e, 0x26, 0xfd,
-	0xbf, 0xb7, 0xc8, 0x04, 0x94, 0xf8, 0x8b, 0x8c,
-	0xf1, 0xab, 0x7a, 0xd4, 0xdd, 0xf3, 0xe8, 0x88,
-	0xc3, 0xed, 0x17, 0x8a, 0x9b, 0x40, 0x0d, 0x53,
-	0x62, 0x12, 0x03, 0x5f, 0x1b, 0x35, 0x32, 0x1f,
-	0xb4, 0x7b, 0x93, 0x78, 0x0d, 0xdb, 0xce, 0xa4,
-	0xc0, 0x47, 0xd5, 0xbf, 0x68, 0xe8, 0x5d, 0x74,
-	0x8f, 0x8e, 0x75, 0x1c, 0xb2, 0x4f, 0x9a, 0x60,
-	0xd1, 0xbe, 0x10, 0xf4, 0x5c, 0xa1, 0x53, 0x09,
-	0xa5, 0xe0, 0x09, 0x54, 0x85, 0x5c, 0xdc, 0x07,
-	0xe7, 0x21, 0x69, 0x7b, 0x8a, 0xfd, 0x90, 0xf1,
-	0x22, 0xd0, 0xb4, 0x36, 0x28, 0xe6, 0xb8, 0x0f,
-	0x39, 0xde, 0xc8, 0xf3, 0x86, 0x60, 0x34, 0xd2,
-	0x5e, 0xdf, 0xfd, 0xcf, 0x0f, 0xa9, 0x65, 0xf0,
-	0xd5, 0x4d, 0x96, 0x40, 0xe3, 0xdf, 0x3f, 0x95,
-	0x5a, 0x39, 0x19, 0x93, 0xf4, 0x75, 0xce, 0x22,
-	0x00, 0x1c, 0x93, 0xe2, 0x03, 0x66, 0xf4, 0x93,
-	0x73, 0x86, 0x81, 0x8e, 0x29, 0x44, 0x48, 0x86,
-	0x61, 0x7c, 0x48, 0xa3, 0x43, 0xd2, 0x9c, 0x8d,
-	0xd4, 0x95, 0xdd, 0xe1, 0x22, 0x89, 0x3a, 0x40,
-	0x4c, 0x1b, 0x8a, 0x04, 0xa8, 0x09, 0x69, 0x8b,
-	0xea, 0xc6, 0x55, 0x8e, 0x57, 0xe6, 0x64, 0x35,
-	0xf0, 0xc7, 0x16, 0x9f, 0x5d, 0x5e, 0x86, 0x40,
-	0x46, 0xbb, 0xe5, 0x45, 0x88, 0xfe, 0xc9, 0x63,
-	0x15, 0xfb, 0xf5, 0xbd, 0x71, 0x61, 0xeb, 0x7b,
-	0x78, 0x70, 0x07, 0x31, 0x03, 0x9f, 0xb2, 0xc8,
-	0xa7, 0xab, 0x47, 0xfd, 0xdf, 0xa0, 0x78, 0x72,
-	0xa4, 0x2a, 0xe4, 0xb6, 0xba, 0xc0, 0x1e, 0x86,
-	0x71, 0xe6, 0x3d, 0x18, 0x37, 0x70, 0xe6, 0xff,
-	0xe0, 0xbc, 0x0b, 0x22, 0xa0, 0x1f, 0xd3, 0xed,
-	0xa2, 0x55, 0x39, 0xab, 0xa8, 0x13, 0x73, 0x7c,
-	0x3f, 0xb2, 0xd6, 0x19, 0xac, 0xff, 0x99, 0xed,
-	0xe8, 0xe6, 0xa6, 0x22, 0xe3, 0x9c, 0xf1, 0x30,
-	0xdc, 0x01, 0x0a, 0x56, 0xfa, 0xe4, 0xc9, 0x99,
-	0xdd, 0xa8, 0xd8, 0xda, 0x35, 0x51, 0x73, 0xb4,
-	0x40, 0x86, 0x85, 0xdb, 0x5c, 0xd5, 0x85, 0x80,
-	0x14, 0x9c, 0xfd, 0x98, 0xa9, 0x82, 0xc5, 0x37,
-	0xff, 0x32, 0x5d, 0xd0, 0x0b, 0xfa, 0xdc, 0x04,
-	0x5e, 0x09, 0xd2, 0xca, 0x17, 0x4b, 0x1a, 0x8e,
-	0x15, 0xe1, 0xcc, 0x4e, 0x52, 0x88, 0x35, 0xbd,
-	0x48, 0xfe, 0x15, 0xa0, 0x91, 0xfd, 0x7e, 0x6c,
-	0x0e, 0x5d, 0x79, 0x1b, 0x81, 0x79, 0xd2, 0x09,
-	0x34, 0x70, 0x3d, 0x81, 0xec, 0xf6, 0x24, 0xbb,
-	0xfb, 0xf1, 0x7b, 0xdf, 0x54, 0xea, 0x80, 0x9b,
-	0xc7, 0x99, 0x9e, 0xbd, 0x16, 0x78, 0x12, 0x53,
-	0x5e, 0x01, 0xa7, 0x4e, 0xbd, 0x67, 0xe1, 0x9b,
-	0x4c, 0x0e, 0x61, 0x45, 0x97, 0xd2, 0xf0, 0x0f,
-	0xfe, 0x15, 0x08, 0xb7, 0x11, 0x4c, 0xe7, 0xff,
-	0x81, 0x53, 0xff, 0x91, 0x25, 0x38, 0x7e, 0x40,
-	0x94, 0xe5, 0xe0, 0xad, 0xe6, 0xd9, 0x79, 0xb6,
-	0x92, 0xc9, 0xfc, 0xde, 0xc3, 0x1a, 0x23, 0xbb,
-	0xdd, 0xc8, 0x51, 0x0c, 0x3a, 0x72, 0xfa, 0x73,
-	0x6f, 0xb7, 0xee, 0x61, 0x39, 0x03, 0x01, 0x3f,
-	0x7f, 0x94, 0x2e, 0x2e, 0xba, 0x3a, 0xbb, 0xb4,
-	0xfa, 0x6a, 0x17, 0xfe, 0xea, 0xef, 0x5e, 0x66,
-	0x97, 0x3f, 0x32, 0x3d, 0xd7, 0x3e, 0xb1, 0xf1,
-	0x6c, 0x14, 0x4c, 0xfd, 0x37, 0xd3, 0x38, 0x80,
-	0xfb, 0xde, 0xa6, 0x24, 0x1e, 0xc8, 0xca, 0x7f,
-	0x3a, 0x93, 0xd8, 0x8b, 0x18, 0x13, 0xb2, 0xe5,
-	0xe4, 0x93, 0x05, 0x53, 0x4f, 0x84, 0x66, 0xa7,
-	0x58, 0x5c, 0x7b, 0x86, 0x52, 0x6d, 0x0d, 0xce,
-	0xa4, 0x30, 0x7d, 0xb6, 0x18, 0x9f, 0xeb, 0xff,
-	0x22, 0xbb, 0x72, 0x29, 0xb9, 0x44, 0x0b, 0x48,
-	0x1e, 0x84, 0x71, 0x81, 0xe3, 0x6d, 0x73, 0x26,
-	0x92, 0xb4, 0x4d, 0x2a, 0x29, 0xb8, 0x1f, 0x72,
-	0xed, 0xd0, 0xe1, 0x64, 0x77, 0xea, 0x8e, 0x88,
-	0x0f, 0xef, 0x3f, 0xb1, 0x3b, 0xad, 0xf9, 0xc9,
-	0x8b, 0xd0, 0xac, 0xc6, 0xcc, 0xa9, 0x40, 0xcc,
-	0x76, 0xf6, 0x3b, 0x53, 0xb5, 0x88, 0xcb, 0xc8,
-	0x37, 0xf1, 0xa2, 0xba, 0x23, 0x15, 0x99, 0x09,
-	0xcc, 0xe7, 0x7a, 0x3b, 0x37, 0xf7, 0x58, 0xc8,
-	0x46, 0x8c, 0x2b, 0x2f, 0x4e, 0x0e, 0xa6, 0x5c,
-	0xea, 0x85, 0x55, 0xba, 0x02, 0x0e, 0x0e, 0x48,
-	0xbc, 0xe1, 0xb1, 0x01, 0x35, 0x79, 0x13, 0x3d,
-	0x1b, 0xc0, 0x53, 0x68, 0x11, 0xe7, 0x95, 0x0f,
-	0x9d, 0x3f, 0x4c, 0x47, 0x7b, 0x4d, 0x1c, 0xae,
-	0x50, 0x9b, 0xcb, 0xdd, 0x05, 0x8d, 0x9a, 0x97,
-	0xfd, 0x8c, 0xef, 0x0c, 0x1d, 0x67, 0x73, 0xa8,
-	0x28, 0x36, 0xd5, 0xb6, 0x92, 0x33, 0x40, 0x75,
-	0x0b, 0x51, 0xc3, 0x64, 0xba, 0x1d, 0xc2, 0xcc,
-	0xee, 0x7d, 0x54, 0x0f, 0x27, 0x69, 0xa7, 0x27,
-	0x63, 0x30, 0x29, 0xd9, 0xc8, 0x84, 0xd8, 0xdf,
-	0x9f, 0x68, 0x8d, 0x04, 0xca, 0xa6, 0xc5, 0xc7,
-	0x7a, 0x5c, 0xc8, 0xd1, 0xcb, 0x4a, 0xec, 0xd0,
-	0xd8, 0x20, 0x69, 0xc5, 0x17, 0xcd, 0x78, 0xc8,
-	0x75, 0x23, 0x30, 0x69, 0xc9, 0xd4, 0xea, 0x5c,
-	0x4f, 0x6b, 0x86, 0x3f, 0x8b, 0xfe, 0xee, 0x44,
-	0xc9, 0x7c, 0xb7, 0xdd, 0x3e, 0xe5, 0xec, 0x54,
-	0x03, 0x3e, 0xaa, 0x82, 0xc6, 0xdf, 0xb2, 0x38,
-	0x0e, 0x5d, 0xb3, 0x88, 0xd9, 0xd3, 0x69, 0x5f,
-	0x8f, 0x70, 0x8a, 0x7e, 0x11, 0xd9, 0x1e, 0x7b,
-	0x38, 0xf1, 0x42, 0x1a, 0xc0, 0x35, 0xf5, 0xc7,
-	0x36, 0x85, 0xf5, 0xf7, 0xb8, 0x7e, 0xc7, 0xef,
-	0x18, 0xf1, 0x63, 0xd6, 0x7a, 0xc6, 0xc9, 0x0e,
-	0x4d, 0x69, 0x4f, 0x84, 0xef, 0x26, 0x41, 0x0c,
-	0xec, 0xc7, 0xe0, 0x7e, 0x3c, 0x67, 0x01, 0x4c,
-	0x62, 0x1a, 0x20, 0x6f, 0xee, 0x47, 0x4d, 0xc0,
-	0x99, 0x13, 0x8d, 0x91, 0x4a, 0x26, 0xd4, 0x37,
-	0x28, 0x90, 0x58, 0x75, 0x66, 0x2b, 0x0a, 0xdf,
-	0xda, 0xee, 0x92, 0x25, 0x90, 0x62, 0x39, 0x9e,
-	0x44, 0x98, 0xad, 0xc1, 0x88, 0xed, 0xe4, 0xb4,
-	0xaf, 0xf5, 0x8c, 0x9b, 0x48, 0x4d, 0x56, 0x60,
-	0x97, 0x0f, 0x61, 0x59, 0x9e, 0xa6, 0x27, 0xfe,
-	0xc1, 0x91, 0x15, 0x38, 0xb8, 0x0f, 0xae, 0x61,
-	0x7d, 0x26, 0x13, 0x5a, 0x73, 0xff, 0x1c, 0xa3,
-	0x61, 0x04, 0x58, 0x48, 0x55, 0x44, 0x11, 0xfe,
-	0x15, 0xca, 0xc3, 0xbd, 0xca, 0xc5, 0xb4, 0x40,
-	0x5d, 0x1b, 0x7f, 0x39, 0xb5, 0x9c, 0x35, 0xec,
-	0x61, 0x15, 0x32, 0x32, 0xb8, 0x4e, 0x40, 0x9f,
-	0x17, 0x1f, 0x0a, 0x4d, 0xa9, 0x91, 0xef, 0xb7,
-	0xb0, 0xeb, 0xc2, 0x83, 0x9a, 0x6c, 0xd2, 0x79,
-	0x43, 0x78, 0x5e, 0x2f, 0xe5, 0xdd, 0x1a, 0x3c,
-	0x45, 0xab, 0x29, 0x40, 0x3a, 0x37, 0x5b, 0x6f,
-	0xd7, 0xfc, 0x48, 0x64, 0x3c, 0x49, 0xfb, 0x21,
-	0xbe, 0xc3, 0xff, 0x07, 0xfb, 0x17, 0xe9, 0xc9,
-	0x0c, 0x4c, 0x5c, 0x15, 0x9e, 0x8e, 0x22, 0x30,
-	0x0a, 0xde, 0x48, 0x7f, 0xdb, 0x0d, 0xd1, 0x2b,
-	0x87, 0x38, 0x9e, 0xcc, 0x5a, 0x01, 0x16, 0xee,
-	0x75, 0x49, 0x0d, 0x30, 0x01, 0x34, 0x6a, 0xb6,
-	0x9a, 0x5a, 0x2a, 0xec, 0xbb, 0x48, 0xac, 0xd3,
-	0x77, 0x83, 0xd8, 0x08, 0x86, 0x4f, 0x48, 0x09,
-	0x29, 0x41, 0x79, 0xa1, 0x03, 0x12, 0xc4, 0xcd,
-	0x90, 0x55, 0x47, 0x66, 0x74, 0x9a, 0xcc, 0x4f,
-	0x35, 0x8c, 0xd6, 0x98, 0xef, 0xeb, 0x45, 0xb9,
-	0x9a, 0x26, 0x2f, 0x39, 0xa5, 0x70, 0x6d, 0xfc,
-	0xb4, 0x51, 0xee, 0xf4, 0x9c, 0xe7, 0x38, 0x59,
-	0xad, 0xf4, 0xbc, 0x46, 0xff, 0x46, 0x8e, 0x60,
-	0x9c, 0xa3, 0x60, 0x1d, 0xf8, 0x26, 0x72, 0xf5,
-	0x72, 0x9d, 0x68, 0x80, 0x04, 0xf6, 0x0b, 0xa1,
-	0x0a, 0xd5, 0xa7, 0x82, 0x3a, 0x3e, 0x47, 0xa8,
-	0x5a, 0xde, 0x59, 0x4f, 0x7b, 0x07, 0xb3, 0xe9,
-	0x24, 0x19, 0x3d, 0x34, 0x05, 0xec, 0xf1, 0xab,
-	0x6e, 0x64, 0x8f, 0xd3, 0xe6, 0x41, 0x86, 0x80,
-	0x70, 0xe3, 0x8d, 0x60, 0x9c, 0x34, 0x25, 0x01,
-	0x07, 0x4d, 0x19, 0x41, 0x4e, 0x3d, 0x5c, 0x7e,
-	0xa8, 0xf5, 0xcc, 0xd5, 0x7b, 0xe2, 0x7d, 0x3d,
-	0x49, 0x86, 0x7d, 0x07, 0xb7, 0x10, 0xe3, 0x35,
-	0xb8, 0x84, 0x6d, 0x76, 0xab, 0x17, 0xc6, 0x38,
-	0xb4, 0xd3, 0x28, 0x57, 0xad, 0xd3, 0x88, 0x5a,
-	0xda, 0xea, 0xc8, 0x94, 0xcc, 0x37, 0x19, 0xac,
-	0x9c, 0x9f, 0x4b, 0x00, 0x15, 0xc0, 0xc8, 0xca,
-	0x1f, 0x15, 0xaa, 0xe0, 0xdb, 0xf9, 0x2f, 0x57,
-	0x1b, 0x24, 0xc7, 0x6f, 0x76, 0x29, 0xfb, 0xed,
-	0x25, 0x0d, 0xc0, 0xfe, 0xbd, 0x5a, 0xbf, 0x20,
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-	0xc0, 0x52, 0xd9, 0x05, 0xe4, 0x95, 0x90, 0x87,
-	0x8c, 0xf4, 0xd0, 0x6b, 0xb9, 0x83, 0x99, 0x34,
-	0x6d, 0xfe, 0x54, 0x40, 0x94, 0x52, 0x21, 0x4f,
-	0x14, 0x25, 0xc5, 0xd6, 0x5e, 0x95, 0xdc, 0x0a,
-	0x2b, 0x89, 0x20, 0x11, 0x84, 0x48, 0xd6, 0x3a,
-	0xcd, 0x5c, 0x24, 0xad, 0x62, 0xe3, 0xb1, 0x93,
-	0x25, 0x8d, 0xcd, 0x7e, 0xfc, 0x27, 0xa3, 0x37,
-	0xfd, 0x84, 0xfc, 0x1b, 0xb2, 0xf1, 0x27, 0x38,
-	0x5a, 0xb7, 0xfc, 0xf2, 0xfa, 0x95, 0x66, 0xd4,
-	0xfb, 0xba, 0xa7, 0xd7, 0xa3, 0x72, 0x69, 0x48,
-	0x48, 0x8c, 0xeb, 0x28, 0x89, 0xfe, 0x33, 0x65,
-	0x5a, 0x36, 0x01, 0x7e, 0x06, 0x79, 0x0a, 0x09,
-	0x3b, 0x74, 0x11, 0x9a, 0x6e, 0xbf, 0xd4, 0x9e,
-	0x58, 0x90, 0x49, 0x4f, 0x4d, 0x08, 0xd4, 0xe5,
-	0x4a, 0x09, 0x21, 0xef, 0x8b, 0xb8, 0x74, 0x3b,
-	0x91, 0xdd, 0x36, 0x85, 0x60, 0x2d, 0xfa, 0xd4,
-	0x45, 0x7b, 0x45, 0x53, 0xf5, 0x47, 0x87, 0x7e,
-	0xa6, 0x37, 0xc8, 0x78, 0x7a, 0x68, 0x9d, 0x8d,
-	0x65, 0x2c, 0x0e, 0x91, 0x5c, 0xa2, 0x60, 0xf0,
-	0x8e, 0x3f, 0xe9, 0x1a, 0xcd, 0xaa, 0xe7, 0xd5,
-	0x77, 0x18, 0xaf, 0xc9, 0xbc, 0x18, 0xea, 0x48,
-	0x1b, 0xfb, 0x22, 0x48, 0x70, 0x16, 0x29, 0x9e,
-	0x5b, 0xc1, 0x2c, 0x66, 0x23, 0xbc, 0xf0, 0x1f,
-	0xef, 0xaf, 0xe4, 0xd6, 0x04, 0x19, 0x82, 0x7a,
-	0x0b, 0xba, 0x4b, 0x46, 0xb1, 0x6a, 0x85, 0x5d,
-	0xb4, 0x73, 0xd6, 0x21, 0xa1, 0x71, 0x60, 0x14,
-	0xee, 0x0a, 0x77, 0xc4, 0x66, 0x2e, 0xf9, 0x69,
-	0x30, 0xaf, 0x41, 0x0b, 0xc8, 0x83, 0x3c, 0x53,
-	0x99, 0x19, 0x27, 0x46, 0xf7, 0x41, 0x6e, 0x56,
-	0xdc, 0x94, 0x28, 0x67, 0x4e, 0xb7, 0x25, 0x48,
-	0x8a, 0xc2, 0xe0, 0x60, 0x96, 0xcc, 0x18, 0xf4,
-	0x84, 0xdd, 0xa7, 0x5e, 0x3e, 0x05, 0x0b, 0x26,
-	0x26, 0xb2, 0x5c, 0x1f, 0x57, 0x1a, 0x04, 0x7e,
-	0x6a, 0xe3, 0x2f, 0xb4, 0x35, 0xb6, 0x38, 0x40,
-	0x40, 0xcd, 0x6f, 0x87, 0x2e, 0xef, 0xa3, 0xd7,
-	0xa9, 0xc2, 0xe8, 0x0d, 0x27, 0xdf, 0x44, 0x62,
-	0x99, 0xa0, 0xfc, 0xcf, 0x81, 0x78, 0xcb, 0xfe,
-	0xe5, 0xa0, 0x03, 0x4e, 0x6c, 0xd7, 0xf4, 0xaf,
-	0x7a, 0xbb, 0x61, 0x82, 0xfe, 0x71, 0x89, 0xb2,
-	0x22, 0x7c, 0x8e, 0x83, 0x04, 0xce, 0xf6, 0x5d,
-	0x84, 0x8f, 0x95, 0x6a, 0x7f, 0xad, 0xfd, 0x32,
-	0x9c, 0x5e, 0xe4, 0x9c, 0x89, 0x60, 0x54, 0xaa,
-	0x96, 0x72, 0xd2, 0xd7, 0x36, 0x85, 0xa9, 0x45,
-	0xd2, 0x2a, 0xa1, 0x81, 0x49, 0x6f, 0x7e, 0x04,
-	0xfa, 0xe2, 0xfe, 0x90, 0x26, 0x77, 0x5a, 0x33,
-	0xb8, 0x04, 0x9a, 0x7a, 0xe6, 0x4c, 0x4f, 0xad,
-	0x72, 0x96, 0x08, 0x28, 0x58, 0x13, 0xf8, 0xc4,
-	0x1c, 0xf0, 0xc3, 0x45, 0x95, 0x49, 0x20, 0x8c,
-	0x9f, 0x39, 0x70, 0xe1, 0x77, 0xfe, 0xd5, 0x4b,
-	0xaf, 0x86, 0xda, 0xef, 0x22, 0x06, 0x83, 0x36,
-	0x29, 0x12, 0x11, 0x40, 0xbc, 0x3b, 0x86, 0xaa,
-	0xaa, 0x65, 0x60, 0xc3, 0x80, 0xca, 0xed, 0xa9,
-	0xf3, 0xb0, 0x79, 0x96, 0xa2, 0x55, 0x27, 0x28,
-	0x55, 0x73, 0x26, 0xa5, 0x50, 0xea, 0x92, 0x4b,
-	0x3c, 0x5c, 0x82, 0x33, 0xf0, 0x01, 0x3f, 0x03,
-	0xc1, 0x08, 0x05, 0xbf, 0x98, 0xf4, 0x9b, 0x6d,
-	0xa5, 0xa8, 0xb4, 0x82, 0x0c, 0x06, 0xfa, 0xff,
-	0x2d, 0x08, 0xf3, 0x05, 0x4f, 0x57, 0x2a, 0x39,
-	0xd4, 0x83, 0x0d, 0x75, 0x51, 0xd8, 0x5b, 0x1b,
-	0xd3, 0x51, 0x5a, 0x32, 0x2a, 0x9b, 0x32, 0xb2,
-	0xf2, 0xa4, 0x96, 0x12, 0xf2, 0xae, 0x40, 0x34,
-	0x67, 0xa8, 0xf5, 0x44, 0xd5, 0x35, 0x53, 0xfe,
-	0xa3, 0x60, 0x96, 0x63, 0x0f, 0x1f, 0x6e, 0xb0,
-	0x5a, 0x42, 0xa6, 0xfc, 0x51, 0x0b, 0x60, 0x27,
-	0xbc, 0x06, 0x71, 0xed, 0x65, 0x5b, 0x23, 0x86,
-	0x4a, 0x07, 0x3b, 0x22, 0x07, 0x46, 0xe6, 0x90,
-	0x3e, 0xf3, 0x25, 0x50, 0x1b, 0x4c, 0x7f, 0x03,
-	0x08, 0xa8, 0x36, 0x6b, 0x87, 0xe5, 0xe3, 0xdb,
-	0x9a, 0x38, 0x83, 0xff, 0x9f, 0x1a, 0x9f, 0x57,
-	0xa4, 0x2a, 0xf6, 0x37, 0xbc, 0x1a, 0xff, 0xc9,
-	0x1e, 0x35, 0x0c, 0xc3, 0x7c, 0xa3, 0xb2, 0xe5,
-	0xd2, 0xc6, 0xb4, 0x57, 0x47, 0xe4, 0x32, 0x16,
-	0x6d, 0xa9, 0xae, 0x64, 0xe6, 0x2d, 0x8d, 0xc5,
-	0x8d, 0x50, 0x8e, 0xe8, 0x1a, 0x22, 0x34, 0x2a,
-	0xd9, 0xeb, 0x51, 0x90, 0x4a, 0xb1, 0x41, 0x7d,
-	0x64, 0xf9, 0xb9, 0x0d, 0xf6, 0x23, 0x33, 0xb0,
-	0x33, 0xf4, 0xf7, 0x3f, 0x27, 0x84, 0xc6, 0x0f,
-	0x54, 0xa5, 0xc0, 0x2e, 0xec, 0x0b, 0x3a, 0x48,
-	0x6e, 0x80, 0x35, 0x81, 0x43, 0x9b, 0x90, 0xb1,
-	0xd0, 0x2b, 0xea, 0x21, 0xdc, 0xda, 0x5b, 0x09,
-	0xf4, 0xcc, 0x10, 0xb4, 0xc7, 0xfe, 0x79, 0x51,
-	0xc3, 0xc5, 0xac, 0x88, 0x74, 0x84, 0x0b, 0x4b,
-	0xca, 0x79, 0x16, 0x29, 0xfb, 0x69, 0x54, 0xdf,
-	0x41, 0x7e, 0xe9, 0xc7, 0x8e, 0xea, 0xa5, 0xfe,
-	0xfc, 0x76, 0x0e, 0x90, 0xc4, 0x92, 0x38, 0xad,
-	0x7b, 0x48, 0xe6, 0x6e, 0xf7, 0x21, 0xfd, 0x4e,
-	0x93, 0x0a, 0x7b, 0x41, 0x83, 0x68, 0xfb, 0x57,
-	0x51, 0x76, 0x34, 0xa9, 0x6c, 0x00, 0xaa, 0x4f,
-	0x66, 0x65, 0x98, 0x4a, 0x4f, 0xa3, 0xa0, 0xef,
-	0x69, 0x3f, 0xe3, 0x1c, 0x92, 0x8c, 0xfd, 0xd8,
-	0xe8, 0xde, 0x7c, 0x7f, 0x3e, 0x84, 0x8e, 0x69,
-	0x3c, 0xf1, 0xf2, 0x05, 0x46, 0xdc, 0x2f, 0x9d,
-	0x5e, 0x6e, 0x4c, 0xfb, 0xb5, 0x99, 0x2a, 0x59,
-	0x63, 0xc1, 0x34, 0xbc, 0x57, 0xc0, 0x0d, 0xb9,
-	0x61, 0x25, 0xf3, 0x33, 0x23, 0x51, 0xb6, 0x0d,
-	0x07, 0xa6, 0xab, 0x94, 0x4a, 0xb7, 0x2a, 0xea,
-	0xee, 0xac, 0xa3, 0xc3, 0x04, 0x8b, 0x0e, 0x56,
-	0xfe, 0x44, 0xa7, 0x39, 0xe2, 0xed, 0xed, 0xb4,
-	0x22, 0x2b, 0xac, 0x12, 0x32, 0x28, 0x91, 0xd8,
-	0xa5, 0xab, 0xff, 0x5f, 0xe0, 0x4b, 0xda, 0x78,
-	0x17, 0xda, 0xf1, 0x01, 0x5b, 0xcd, 0xe2, 0x5f,
-	0x50, 0x45, 0x73, 0x2b, 0xe4, 0x76, 0x77, 0xf4,
-	0x64, 0x1d, 0x43, 0xfb, 0x84, 0x7a, 0xea, 0x91,
-	0xae, 0xf9, 0x9e, 0xb7, 0xb4, 0xb0, 0x91, 0x5f,
-	0x16, 0x35, 0x9a, 0x11, 0xb8, 0xc7, 0xc1, 0x8c,
-	0xc6, 0x10, 0x8d, 0x2f, 0x63, 0x4a, 0xa7, 0x57,
-	0x3a, 0x51, 0xd6, 0x32, 0x2d, 0x64, 0x72, 0xd4,
-	0x66, 0xdc, 0x10, 0xa6, 0x67, 0xd6, 0x04, 0x23,
-	0x9d, 0x0a, 0x11, 0x77, 0xdd, 0x37, 0x94, 0x17,
-	0x3c, 0xbf, 0x8b, 0x65, 0xb0, 0x2e, 0x5e, 0x66,
-	0x47, 0x64, 0xac, 0xdd, 0xf0, 0x84, 0xfd, 0x39,
-	0xfa, 0x15, 0x5d, 0xef, 0xae, 0xca, 0xc1, 0x36,
-	0xa7, 0x5c, 0xbf, 0xc7, 0x08, 0xc2, 0x66, 0x00,
-	0x74, 0x74, 0x4e, 0x27, 0x3f, 0x55, 0x8a, 0xb7,
-	0x38, 0x66, 0x83, 0x6d, 0xcf, 0x99, 0x9e, 0x60,
-	0x8f, 0xdd, 0x2e, 0x62, 0x22, 0x0e, 0xef, 0x0c,
-	0x98, 0xa7, 0x85, 0x74, 0x3b, 0x9d, 0xec, 0x9e,
-	0xa9, 0x19, 0x72, 0xa5, 0x7f, 0x2c, 0x39, 0xb7,
-	0x7d, 0xb7, 0xf1, 0x12, 0x65, 0x27, 0x4b, 0x5a,
-	0xde, 0x17, 0xfe, 0xad, 0x44, 0xf3, 0x20, 0x4d,
-	0xfd, 0xe4, 0x1f, 0xb5, 0x81, 0xb0, 0x36, 0x37,
-	0x08, 0x6f, 0xc3, 0x0c, 0xe9, 0x85, 0x98, 0x82,
-	0xa9, 0x62, 0x0c, 0xc4, 0x97, 0xc0, 0x50, 0xc8,
-	0xa7, 0x3c, 0x50, 0x9f, 0x43, 0xb9, 0xcd, 0x5e,
-	0x4d, 0xfa, 0x1c, 0x4b, 0x0b, 0xa9, 0x98, 0x85,
-	0x38, 0x92, 0xac, 0x8d, 0xe4, 0xad, 0x9b, 0x98,
-	0xab, 0xd9, 0x38, 0xac, 0x62, 0x52, 0xa3, 0x22,
-	0x63, 0x0f, 0xbf, 0x95, 0x48, 0xdf, 0x69, 0xe7,
-	0x8b, 0x33, 0xd5, 0xb2, 0xbd, 0x05, 0x49, 0x49,
-	0x9d, 0x57, 0x73, 0x19, 0x33, 0xae, 0xfa, 0x33,
-	0xf1, 0x19, 0xa8, 0x80, 0xce, 0x04, 0x9f, 0xbc,
-	0x1d, 0x65, 0x82, 0x1b, 0xe5, 0x3a, 0x51, 0xc8,
-	0x1c, 0x21, 0xe3, 0x5d, 0xf3, 0x7d, 0x9b, 0x2f,
-	0x2c, 0x1d, 0x4a, 0x7f, 0x9b, 0x68, 0x35, 0xa3,
-	0xb2, 0x50, 0xf7, 0x62, 0x79, 0xcd, 0xf4, 0x98,
-	0x4f, 0xe5, 0x63, 0x7c, 0x3e, 0x45, 0x31, 0x8c,
-	0x16, 0xa0, 0x12, 0xc8, 0x58, 0xce, 0x39, 0xa6,
-	0xbc, 0x54, 0xdb, 0xc5, 0xe0, 0xd5, 0xba, 0xbc,
-	0xb9, 0x04, 0xf4, 0x8d, 0xe8, 0x2f, 0x15, 0x9d,
-};
-
-/* 100 test cases */
-static struct crc_test {
-	u32 crc;	/* random starting crc */
-	u32 start;	/* random 6 bit offset in buf */
-	u32 length;	/* random 11 bit length of test */
-	u32 crc_le;	/* expected crc32_le result */
-	u32 crc_be;	/* expected crc32_be result */
-	u32 crc32c_le;	/* expected crc32c_le result */
-} const test[] __initconst =
-{
-	{0x674bf11d, 0x00000038, 0x00000542, 0x0af6d466, 0xd8b6e4c1, 0xf6e93d6c},
-	{0x35c672c6, 0x0000003a, 0x000001aa, 0xc6d3dfba, 0x28aaf3ad, 0x0fe92aca},
-	{0x496da28e, 0x00000039, 0x000005af, 0xd933660f, 0x5d57e81f, 0x52e1ebb8},
-	{0x09a9b90e, 0x00000027, 0x000001f8, 0xb45fe007, 0xf45fca9a, 0x0798af9a},
-	{0xdc97e5a9, 0x00000025, 0x000003b6, 0xf81a3562, 0xe0126ba2, 0x18eb3152},
-	{0x47c58900, 0x0000000a, 0x000000b9, 0x8e58eccf, 0xf3afc793, 0xd00d08c7},
-	{0x292561e8, 0x0000000c, 0x00000403, 0xa2ba8aaf, 0x0b797aed, 0x8ba966bc},
-	{0x415037f6, 0x00000003, 0x00000676, 0xa17d52e8, 0x7f0fdf35, 0x11d694a2},
-	{0x3466e707, 0x00000026, 0x00000042, 0x258319be, 0x75c484a2, 0x6ab3208d},
-	{0xafd1281b, 0x00000023, 0x000002ee, 0x4428eaf8, 0x06c7ad10, 0xba4603c5},
-	{0xd3857b18, 0x00000028, 0x000004a2, 0x5c430821, 0xb062b7cb, 0xe6071c6f},
-	{0x1d825a8f, 0x0000002b, 0x0000050b, 0xd2c45f0c, 0xd68634e0, 0x179ec30a},
-	{0x5033e3bc, 0x0000000b, 0x00000078, 0xa3ea4113, 0xac6d31fb, 0x0903beb8},
-	{0x94f1fb5e, 0x0000000f, 0x000003a2, 0xfbfc50b1, 0x3cfe50ed, 0x6a7cb4fa},
-	{0xc9a0fe14, 0x00000009, 0x00000473, 0x5fb61894, 0x87070591, 0xdb535801},
-	{0x88a034b1, 0x0000001c, 0x000005ad, 0xc1b16053, 0x46f95c67, 0x92bed597},
-	{0xf0f72239, 0x00000020, 0x0000026d, 0xa6fa58f3, 0xf8c2c1dd, 0x192a3f1b},
-	{0xcc20a5e3, 0x0000003b, 0x0000067a, 0x7740185a, 0x308b979a, 0xccbaec1a},
-	{0xce589c95, 0x0000002b, 0x00000641, 0xd055e987, 0x40aae25b, 0x7eabae4d},
-	{0x78edc885, 0x00000035, 0x000005be, 0xa39cb14b, 0x035b0d1f, 0x28c72982},
-	{0x9d40a377, 0x0000003b, 0x00000038, 0x1f47ccd2, 0x197fbc9d, 0xc3cd4d18},
-	{0x703d0e01, 0x0000003c, 0x000006f1, 0x88735e7c, 0xfed57c5a, 0xbca8f0e7},
-	{0x776bf505, 0x0000000f, 0x000005b2, 0x5cc4fc01, 0xf32efb97, 0x713f60b3},
-	{0x4a3e7854, 0x00000027, 0x000004b8, 0x8d923c82, 0x0cbfb4a2, 0xebd08fd5},
-	{0x209172dd, 0x0000003b, 0x00000356, 0xb89e9c2b, 0xd7868138, 0x64406c59},
-	{0x3ba4cc5b, 0x0000002f, 0x00000203, 0xe51601a9, 0x5b2a1032, 0x7421890e},
-	{0xfc62f297, 0x00000000, 0x00000079, 0x71a8e1a2, 0x5d88685f, 0xe9347603},
-	{0x64280b8b, 0x00000016, 0x000007ab, 0x0fa7a30c, 0xda3a455f, 0x1bef9060},
-	{0x97dd724b, 0x00000033, 0x000007ad, 0x5788b2f4, 0xd7326d32, 0x34720072},
-	{0x61394b52, 0x00000035, 0x00000571, 0xc66525f1, 0xcabe7fef, 0x48310f59},
-	{0x29b4faff, 0x00000024, 0x0000006e, 0xca13751e, 0x993648e0, 0x783a4213},
-	{0x29bfb1dc, 0x0000000b, 0x00000244, 0x436c43f7, 0x429f7a59, 0x9e8efd41},
-	{0x86ae934b, 0x00000035, 0x00000104, 0x0760ec93, 0x9cf7d0f4, 0xfc3d34a5},
-	{0xc4c1024e, 0x0000002e, 0x000006b1, 0x6516a3ec, 0x19321f9c, 0x17a52ae2},
-	{0x3287a80a, 0x00000026, 0x00000496, 0x0b257eb1, 0x754ebd51, 0x886d935a},
-	{0xa4db423e, 0x00000023, 0x0000045d, 0x9b3a66dc, 0x873e9f11, 0xeaaeaeb2},
-	{0x7a1078df, 0x00000015, 0x0000014a, 0x8c2484c5, 0x6a628659, 0x8e900a4b},
-	{0x6048bd5b, 0x00000006, 0x0000006a, 0x897e3559, 0xac9961af, 0xd74662b1},
-	{0xd8f9ea20, 0x0000003d, 0x00000277, 0x60eb905b, 0xed2aaf99, 0xd26752ba},
-	{0xea5ec3b4, 0x0000002a, 0x000004fe, 0x869965dc, 0x6c1f833b, 0x8b1fcd62},
-	{0x2dfb005d, 0x00000016, 0x00000345, 0x6a3b117e, 0xf05e8521, 0xf54342fe},
-	{0x5a214ade, 0x00000020, 0x000005b6, 0x467f70be, 0xcb22ccd3, 0x5b95b988},
-	{0xf0ab9cca, 0x00000032, 0x00000515, 0xed223df3, 0x7f3ef01d, 0x2e1176be},
-	{0x91b444f9, 0x0000002e, 0x000007f8, 0x84e9a983, 0x5676756f, 0x66120546},
-	{0x1b5d2ddb, 0x0000002e, 0x0000012c, 0xba638c4c, 0x3f42047b, 0xf256a5cc},
-	{0xd824d1bb, 0x0000003a, 0x000007b5, 0x6288653b, 0x3a3ebea0, 0x4af1dd69},
-	{0x0470180c, 0x00000034, 0x000001f0, 0x9d5b80d6, 0x3de08195, 0x56f0a04a},
-	{0xffaa3a3f, 0x00000036, 0x00000299, 0xf3a82ab8, 0x53e0c13d, 0x74f6b6b2},
-	{0x6406cfeb, 0x00000023, 0x00000600, 0xa920b8e8, 0xe4e2acf4, 0x085951fd},
-	{0xb24aaa38, 0x0000003e, 0x000004a1, 0x657cc328, 0x5077b2c3, 0xc65387eb},
-	{0x58b2ab7c, 0x00000039, 0x000002b4, 0x3a17ee7e, 0x9dcb3643, 0x1ca9257b},
-	{0x3db85970, 0x00000006, 0x000002b6, 0x95268b59, 0xb9812c10, 0xfd196d76},
-	{0x857830c5, 0x00000003, 0x00000590, 0x4ef439d5, 0xf042161d, 0x5ef88339},
-	{0xe1fcd978, 0x0000003e, 0x000007d8, 0xae8d8699, 0xce0a1ef5, 0x2c3714d9},
-	{0xb982a768, 0x00000016, 0x000006e0, 0x62fad3df, 0x5f8a067b, 0x58576548},
-	{0x1d581ce8, 0x0000001e, 0x0000058b, 0xf0f5da53, 0x26e39eee, 0xfd7c57de},
-	{0x2456719b, 0x00000025, 0x00000503, 0x4296ac64, 0xd50e4c14, 0xd5fedd59},
-	{0xfae6d8f2, 0x00000000, 0x0000055d, 0x057fdf2e, 0x2a31391a, 0x1cc3b17b},
-	{0xcba828e3, 0x00000039, 0x000002ce, 0xe3f22351, 0x8f00877b, 0x270eed73},
-	{0x13d25952, 0x0000000a, 0x0000072d, 0x76d4b4cc, 0x5eb67ec3, 0x91ecbb11},
-	{0x0342be3f, 0x00000015, 0x00000599, 0xec75d9f1, 0x9d4d2826, 0x05ed8d0c},
-	{0xeaa344e0, 0x00000014, 0x000004d8, 0x72a4c981, 0x2064ea06, 0x0b09ad5b},
-	{0xbbb52021, 0x0000003b, 0x00000272, 0x04af99fc, 0xaf042d35, 0xf8d511fb},
-	{0xb66384dc, 0x0000001d, 0x000007fc, 0xd7629116, 0x782bd801, 0x5ad832cc},
-	{0x616c01b6, 0x00000022, 0x000002c8, 0x5b1dab30, 0x783ce7d2, 0x1214d196},
-	{0xce2bdaad, 0x00000016, 0x0000062a, 0x932535c8, 0x3f02926d, 0x5747218a},
-	{0x00fe84d7, 0x00000005, 0x00000205, 0x850e50aa, 0x753d649c, 0xde8f14de},
-	{0xbebdcb4c, 0x00000006, 0x0000055d, 0xbeaa37a2, 0x2d8c9eba, 0x3563b7b9},
-	{0xd8b1a02a, 0x00000010, 0x00000387, 0x5017d2fc, 0x503541a5, 0x071475d0},
-	{0x3b96cad2, 0x00000036, 0x00000347, 0x1d2372ae, 0x926cd90b, 0x54c79d60},
-	{0xc94c1ed7, 0x00000005, 0x0000038b, 0x9e9fdb22, 0x144a9178, 0x4c53eee6},
-	{0x1aad454e, 0x00000025, 0x000002b2, 0xc3f6315c, 0x5c7a35b3, 0x10137a3c},
-	{0xa4fec9a6, 0x00000000, 0x000006d6, 0x90be5080, 0xa4107605, 0xaa9d6c73},
-	{0x1bbe71e2, 0x0000001f, 0x000002fd, 0x4e504c3b, 0x284ccaf1, 0xb63d23e7},
-	{0x4201c7e4, 0x00000002, 0x000002b7, 0x7822e3f9, 0x0cc912a9, 0x7f53e9cf},
-	{0x23fddc96, 0x00000003, 0x00000627, 0x8a385125, 0x07767e78, 0x13c1cd83},
-	{0xd82ba25c, 0x00000016, 0x0000063e, 0x98e4148a, 0x283330c9, 0x49ff5867},
-	{0x786f2032, 0x0000002d, 0x0000060f, 0xf201600a, 0xf561bfcd, 0x8467f211},
-	{0xfebe4e1f, 0x0000002a, 0x000004f2, 0x95e51961, 0xfd80dcab, 0x3f9683b2},
-	{0x1a6e0a39, 0x00000008, 0x00000672, 0x8af6c2a5, 0x78dd84cb, 0x76a3f874},
-	{0x56000ab8, 0x0000000e, 0x000000e5, 0x36bacb8f, 0x22ee1f77, 0x863b702f},
-	{0x4717fe0c, 0x00000000, 0x000006ec, 0x8439f342, 0x5c8e03da, 0xdc6c58ff},
-	{0xd5d5d68e, 0x0000003c, 0x000003a3, 0x46fff083, 0x177d1b39, 0x0622cc95},
-	{0xc25dd6c6, 0x00000024, 0x000006c0, 0x5ceb8eb4, 0x892b0d16, 0xe85605cd},
-	{0xe9b11300, 0x00000023, 0x00000683, 0x07a5d59a, 0x6c6a3208, 0x31da5f06},
-	{0x95cd285e, 0x00000001, 0x00000047, 0x7b3a4368, 0x0202c07e, 0xa1f2e784},
-	{0xd9245a25, 0x0000001e, 0x000003a6, 0xd33c1841, 0x1936c0d5, 0xb07cc616},
-	{0x103279db, 0x00000006, 0x0000039b, 0xca09b8a0, 0x77d62892, 0xbf943b6c},
-	{0x1cba3172, 0x00000027, 0x000001c8, 0xcb377194, 0xebe682db, 0x2c01af1c},
-	{0x8f613739, 0x0000000c, 0x000001df, 0xb4b0bc87, 0x7710bd43, 0x0fe5f56d},
-	{0x1c6aa90d, 0x0000001b, 0x0000053c, 0x70559245, 0xda7894ac, 0xf8943b2d},
-	{0xaabe5b93, 0x0000003d, 0x00000715, 0xcdbf42fa, 0x0c3b99e7, 0xe4d89272},
-	{0xf15dd038, 0x00000006, 0x000006db, 0x6e104aea, 0x8d5967f2, 0x7c2f6bbb},
-	{0x584dd49c, 0x00000020, 0x000007bc, 0x36b6cfd6, 0xad4e23b2, 0xabbf388b},
-	{0x5d8c9506, 0x00000020, 0x00000470, 0x4c62378e, 0x31d92640, 0x1dca1f4e},
-	{0xb80d17b0, 0x00000032, 0x00000346, 0x22a5bb88, 0x9a7ec89f, 0x5c170e23},
-	{0xdaf0592e, 0x00000023, 0x000007b0, 0x3cab3f99, 0x9b1fdd99, 0xc0e9d672},
-	{0x4793cc85, 0x0000000d, 0x00000706, 0xe82e04f6, 0xed3db6b7, 0xc18bdc86},
-	{0x82ebf64e, 0x00000009, 0x000007c3, 0x69d590a9, 0x9efa8499, 0xa874fcdd},
-	{0xb18a0319, 0x00000026, 0x000007db, 0x1cf98dcc, 0x8fa9ad6a, 0x9dc0bb48},
-};
-
-#include <linux/time.h>
-
-static int __init crc32c_test(void)
-{
-	int i;
-	int errors = 0;
-	int bytes = 0;
-	u64 nsec;
-	unsigned long flags;
-
-	/* keep static to prevent cache warming code from
-	 * getting eliminated by the compiler */
-	static u32 crc;
-
-	/* pre-warm the cache */
-	for (i = 0; i < 100; i++) {
-		bytes += 2*test[i].length;
-
-		crc ^= __crc32c_le(test[i].crc, test_buf +
-		    test[i].start, test[i].length);
-	}
-
-	/* reduce OS noise */
-	local_irq_save(flags);
-	local_irq_disable();
-
-	nsec = ktime_get_ns();
-	for (i = 0; i < 100; i++) {
-		if (test[i].crc32c_le != __crc32c_le(test[i].crc, test_buf +
-		    test[i].start, test[i].length))
-			errors++;
-	}
-	nsec = ktime_get_ns() - nsec;
-
-	local_irq_restore(flags);
-	local_irq_enable();
-
-	pr_info("crc32c: CRC_LE_BITS = %d\n", CRC_LE_BITS);
-
-	if (errors)
-		pr_warn("crc32c: %d self tests failed\n", errors);
-	else {
-		pr_info("crc32c: self tests passed, processed %d bytes in %lld nsec\n",
-			bytes, nsec);
-	}
-
-	return 0;
-}
-
-static int __init crc32c_combine_test(void)
-{
-	int i, j;
-	int errors = 0, runs = 0;
-
-	for (i = 0; i < 10; i++) {
-		u32 crc_full;
-
-		crc_full = __crc32c_le(test[i].crc, test_buf + test[i].start,
-				       test[i].length);
-		for (j = 0; j <= test[i].length; ++j) {
-			u32 crc1, crc2;
-			u32 len1 = j, len2 = test[i].length - j;
-
-			crc1 = __crc32c_le(test[i].crc, test_buf +
-					   test[i].start, len1);
-			crc2 = __crc32c_le(0, test_buf + test[i].start +
-					   len1, len2);
-
-			if (!(crc_full == __crc32c_le_combine(crc1, crc2, len2) &&
-			      crc_full == test[i].crc32c_le))
-				errors++;
-			runs++;
-			cond_resched();
-		}
-	}
-
-	if (errors)
-		pr_warn("crc32c_combine: %d/%d self tests failed\n", errors, runs);
-	else
-		pr_info("crc32c_combine: %d self tests passed\n", runs);
-
-	return 0;
-}
-
-static int __init crc32_test(void)
-{
-	int i;
-	int errors = 0;
-	int bytes = 0;
-	u64 nsec;
-	unsigned long flags;
-
-	/* keep static to prevent cache warming code from
-	 * getting eliminated by the compiler */
-	static u32 crc;
-
-	/* pre-warm the cache */
-	for (i = 0; i < 100; i++) {
-		bytes += 2*test[i].length;
-
-		crc ^= crc32_le(test[i].crc, test_buf +
-		    test[i].start, test[i].length);
-
-		crc ^= crc32_be(test[i].crc, test_buf +
-		    test[i].start, test[i].length);
-	}
-
-	/* reduce OS noise */
-	local_irq_save(flags);
-	local_irq_disable();
-
-	nsec = ktime_get_ns();
-	for (i = 0; i < 100; i++) {
-		if (test[i].crc_le != crc32_le(test[i].crc, test_buf +
-		    test[i].start, test[i].length))
-			errors++;
-
-		if (test[i].crc_be != crc32_be(test[i].crc, test_buf +
-		    test[i].start, test[i].length))
-			errors++;
-	}
-	nsec = ktime_get_ns() - nsec;
-
-	local_irq_restore(flags);
-	local_irq_enable();
-
-	pr_info("crc32: CRC_LE_BITS = %d, CRC_BE BITS = %d\n",
-		 CRC_LE_BITS, CRC_BE_BITS);
-
-	if (errors)
-		pr_warn("crc32: %d self tests failed\n", errors);
-	else {
-		pr_info("crc32: self tests passed, processed %d bytes in %lld nsec\n",
-			bytes, nsec);
-	}
-
-	return 0;
-}
-
-static int __init crc32_combine_test(void)
-{
-	int i, j;
-	int errors = 0, runs = 0;
-
-	for (i = 0; i < 10; i++) {
-		u32 crc_full;
-
-		crc_full = crc32_le(test[i].crc, test_buf + test[i].start,
-				    test[i].length);
-		for (j = 0; j <= test[i].length; ++j) {
-			u32 crc1, crc2;
-			u32 len1 = j, len2 = test[i].length - j;
-
-			crc1 = crc32_le(test[i].crc, test_buf +
-					test[i].start, len1);
-			crc2 = crc32_le(0, test_buf + test[i].start +
-					len1, len2);
-
-			if (!(crc_full == crc32_le_combine(crc1, crc2, len2) &&
-			      crc_full == test[i].crc_le))
-				errors++;
-			runs++;
-			cond_resched();
-		}
-	}
-
-	if (errors)
-		pr_warn("crc32_combine: %d/%d self tests failed\n", errors, runs);
-	else
-		pr_info("crc32_combine: %d self tests passed\n", runs);
-
-	return 0;
-}
-
-static int __init crc32test_init(void)
-{
-	crc32_test();
-	crc32c_test();
-
-	crc32_combine_test();
-	crc32c_combine_test();
-
-	return 0;
-}
-
-static void __exit crc32_exit(void)
-{
-}
-
-module_init(crc32test_init);
-module_exit(crc32_exit);
-#endif /* CONFIG_CRC32_SELFTEST */
diff --git a/lib/crc32test.c b/lib/crc32test.c
new file mode 100644
index 000000000000..97d6a57cefcc
--- /dev/null
+++ b/lib/crc32test.c
@@ -0,0 +1,856 @@
+/*
+ * Aug 8, 2011 Bob Pearson with help from Joakim Tjernlund and George Spelvin
+ * cleaned up code to current version of sparse and added the slicing-by-8
+ * algorithm to the closely similar existing slicing-by-4 algorithm.
+ *
+ * Oct 15, 2000 Matt Domsch <Matt_Domsch@dell.com>
+ * Nicer crc32 functions/docs submitted by linux@horizon.com.  Thanks!
+ * Code was from the public domain, copyright abandoned.  Code was
+ * subsequently included in the kernel, thus was re-licensed under the
+ * GNU GPL v2.
+ *
+ * Oct 12, 2000 Matt Domsch <Matt_Domsch@dell.com>
+ * Same crc32 function was used in 5 other places in the kernel.
+ * I made one version, and deleted the others.
+ * There are various incantations of crc32().  Some use a seed of 0 or ~0.
+ * Some xor at the end with ~0.  The generic crc32() function takes
+ * seed as an argument, and doesn't xor at the end.  Then individual
+ * users can do whatever they need.
+ *   drivers/net/smc9194.c uses seed ~0, doesn't xor with ~0.
+ *   fs/jffs2 uses seed 0, doesn't xor with ~0.
+ *   fs/partitions/efi.c uses seed ~0, xor's with ~0.
+ *
+ * This source code is licensed under the GNU General Public License,
+ * Version 2.  See the file COPYING for more details.
+ */
+
+#include <linux/crc32.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+
+#include "crc32defs.h"
+
+/* 4096 random bytes */
+static u8 const __aligned(8) test_buf[] __initconst =
+{
+	0x5b, 0x85, 0x21, 0xcb, 0x09, 0x68, 0x7d, 0x30,
+	0xc7, 0x69, 0xd7, 0x30, 0x92, 0xde, 0x59, 0xe4,
+	0xc9, 0x6e, 0x8b, 0xdb, 0x98, 0x6b, 0xaa, 0x60,
+	0xa8, 0xb5, 0xbc, 0x6c, 0xa9, 0xb1, 0x5b, 0x2c,
+	0xea, 0xb4, 0x92, 0x6a, 0x3f, 0x79, 0x91, 0xe4,
+	0xe9, 0x70, 0x51, 0x8c, 0x7f, 0x95, 0x6f, 0x1a,
+	0x56, 0xa1, 0x5c, 0x27, 0x03, 0x67, 0x9f, 0x3a,
+	0xe2, 0x31, 0x11, 0x29, 0x6b, 0x98, 0xfc, 0xc4,
+	0x53, 0x24, 0xc5, 0x8b, 0xce, 0x47, 0xb2, 0xb9,
+	0x32, 0xcb, 0xc1, 0xd0, 0x03, 0x57, 0x4e, 0xd4,
+	0xe9, 0x3c, 0xa1, 0x63, 0xcf, 0x12, 0x0e, 0xca,
+	0xe1, 0x13, 0xd1, 0x93, 0xa6, 0x88, 0x5c, 0x61,
+	0x5b, 0xbb, 0xf0, 0x19, 0x46, 0xb4, 0xcf, 0x9e,
+	0xb6, 0x6b, 0x4c, 0x3a, 0xcf, 0x60, 0xf9, 0x7a,
+	0x8d, 0x07, 0x63, 0xdb, 0x40, 0xe9, 0x0b, 0x6f,
+	0xad, 0x97, 0xf1, 0xed, 0xd0, 0x1e, 0x26, 0xfd,
+	0xbf, 0xb7, 0xc8, 0x04, 0x94, 0xf8, 0x8b, 0x8c,
+	0xf1, 0xab, 0x7a, 0xd4, 0xdd, 0xf3, 0xe8, 0x88,
+	0xc3, 0xed, 0x17, 0x8a, 0x9b, 0x40, 0x0d, 0x53,
+	0x62, 0x12, 0x03, 0x5f, 0x1b, 0x35, 0x32, 0x1f,
+	0xb4, 0x7b, 0x93, 0x78, 0x0d, 0xdb, 0xce, 0xa4,
+	0xc0, 0x47, 0xd5, 0xbf, 0x68, 0xe8, 0x5d, 0x74,
+	0x8f, 0x8e, 0x75, 0x1c, 0xb2, 0x4f, 0x9a, 0x60,
+	0xd1, 0xbe, 0x10, 0xf4, 0x5c, 0xa1, 0x53, 0x09,
+	0xa5, 0xe0, 0x09, 0x54, 0x85, 0x5c, 0xdc, 0x07,
+	0xe7, 0x21, 0x69, 0x7b, 0x8a, 0xfd, 0x90, 0xf1,
+	0x22, 0xd0, 0xb4, 0x36, 0x28, 0xe6, 0xb8, 0x0f,
+	0x39, 0xde, 0xc8, 0xf3, 0x86, 0x60, 0x34, 0xd2,
+	0x5e, 0xdf, 0xfd, 0xcf, 0x0f, 0xa9, 0x65, 0xf0,
+	0xd5, 0x4d, 0x96, 0x40, 0xe3, 0xdf, 0x3f, 0x95,
+	0x5a, 0x39, 0x19, 0x93, 0xf4, 0x75, 0xce, 0x22,
+	0x00, 0x1c, 0x93, 0xe2, 0x03, 0x66, 0xf4, 0x93,
+	0x73, 0x86, 0x81, 0x8e, 0x29, 0x44, 0x48, 0x86,
+	0x61, 0x7c, 0x48, 0xa3, 0x43, 0xd2, 0x9c, 0x8d,
+	0xd4, 0x95, 0xdd, 0xe1, 0x22, 0x89, 0x3a, 0x40,
+	0x4c, 0x1b, 0x8a, 0x04, 0xa8, 0x09, 0x69, 0x8b,
+	0xea, 0xc6, 0x55, 0x8e, 0x57, 0xe6, 0x64, 0x35,
+	0xf0, 0xc7, 0x16, 0x9f, 0x5d, 0x5e, 0x86, 0x40,
+	0x46, 0xbb, 0xe5, 0x45, 0x88, 0xfe, 0xc9, 0x63,
+	0x15, 0xfb, 0xf5, 0xbd, 0x71, 0x61, 0xeb, 0x7b,
+	0x78, 0x70, 0x07, 0x31, 0x03, 0x9f, 0xb2, 0xc8,
+	0xa7, 0xab, 0x47, 0xfd, 0xdf, 0xa0, 0x78, 0x72,
+	0xa4, 0x2a, 0xe4, 0xb6, 0xba, 0xc0, 0x1e, 0x86,
+	0x71, 0xe6, 0x3d, 0x18, 0x37, 0x70, 0xe6, 0xff,
+	0xe0, 0xbc, 0x0b, 0x22, 0xa0, 0x1f, 0xd3, 0xed,
+	0xa2, 0x55, 0x39, 0xab, 0xa8, 0x13, 0x73, 0x7c,
+	0x3f, 0xb2, 0xd6, 0x19, 0xac, 0xff, 0x99, 0xed,
+	0xe8, 0xe6, 0xa6, 0x22, 0xe3, 0x9c, 0xf1, 0x30,
+	0xdc, 0x01, 0x0a, 0x56, 0xfa, 0xe4, 0xc9, 0x99,
+	0xdd, 0xa8, 0xd8, 0xda, 0x35, 0x51, 0x73, 0xb4,
+	0x40, 0x86, 0x85, 0xdb, 0x5c, 0xd5, 0x85, 0x80,
+	0x14, 0x9c, 0xfd, 0x98, 0xa9, 0x82, 0xc5, 0x37,
+	0xff, 0x32, 0x5d, 0xd0, 0x0b, 0xfa, 0xdc, 0x04,
+	0x5e, 0x09, 0xd2, 0xca, 0x17, 0x4b, 0x1a, 0x8e,
+	0x15, 0xe1, 0xcc, 0x4e, 0x52, 0x88, 0x35, 0xbd,
+	0x48, 0xfe, 0x15, 0xa0, 0x91, 0xfd, 0x7e, 0x6c,
+	0x0e, 0x5d, 0x79, 0x1b, 0x81, 0x79, 0xd2, 0x09,
+	0x34, 0x70, 0x3d, 0x81, 0xec, 0xf6, 0x24, 0xbb,
+	0xfb, 0xf1, 0x7b, 0xdf, 0x54, 0xea, 0x80, 0x9b,
+	0xc7, 0x99, 0x9e, 0xbd, 0x16, 0x78, 0x12, 0x53,
+	0x5e, 0x01, 0xa7, 0x4e, 0xbd, 0x67, 0xe1, 0x9b,
+	0x4c, 0x0e, 0x61, 0x45, 0x97, 0xd2, 0xf0, 0x0f,
+	0xfe, 0x15, 0x08, 0xb7, 0x11, 0x4c, 0xe7, 0xff,
+	0x81, 0x53, 0xff, 0x91, 0x25, 0x38, 0x7e, 0x40,
+	0x94, 0xe5, 0xe0, 0xad, 0xe6, 0xd9, 0x79, 0xb6,
+	0x92, 0xc9, 0xfc, 0xde, 0xc3, 0x1a, 0x23, 0xbb,
+	0xdd, 0xc8, 0x51, 0x0c, 0x3a, 0x72, 0xfa, 0x73,
+	0x6f, 0xb7, 0xee, 0x61, 0x39, 0x03, 0x01, 0x3f,
+	0x7f, 0x94, 0x2e, 0x2e, 0xba, 0x3a, 0xbb, 0xb4,
+	0xfa, 0x6a, 0x17, 0xfe, 0xea, 0xef, 0x5e, 0x66,
+	0x97, 0x3f, 0x32, 0x3d, 0xd7, 0x3e, 0xb1, 0xf1,
+	0x6c, 0x14, 0x4c, 0xfd, 0x37, 0xd3, 0x38, 0x80,
+	0xfb, 0xde, 0xa6, 0x24, 0x1e, 0xc8, 0xca, 0x7f,
+	0x3a, 0x93, 0xd8, 0x8b, 0x18, 0x13, 0xb2, 0xe5,
+	0xe4, 0x93, 0x05, 0x53, 0x4f, 0x84, 0x66, 0xa7,
+	0x58, 0x5c, 0x7b, 0x86, 0x52, 0x6d, 0x0d, 0xce,
+	0xa4, 0x30, 0x7d, 0xb6, 0x18, 0x9f, 0xeb, 0xff,
+	0x22, 0xbb, 0x72, 0x29, 0xb9, 0x44, 0x0b, 0x48,
+	0x1e, 0x84, 0x71, 0x81, 0xe3, 0x6d, 0x73, 0x26,
+	0x92, 0xb4, 0x4d, 0x2a, 0x29, 0xb8, 0x1f, 0x72,
+	0xed, 0xd0, 0xe1, 0x64, 0x77, 0xea, 0x8e, 0x88,
+	0x0f, 0xef, 0x3f, 0xb1, 0x3b, 0xad, 0xf9, 0xc9,
+	0x8b, 0xd0, 0xac, 0xc6, 0xcc, 0xa9, 0x40, 0xcc,
+	0x76, 0xf6, 0x3b, 0x53, 0xb5, 0x88, 0xcb, 0xc8,
+	0x37, 0xf1, 0xa2, 0xba, 0x23, 0x15, 0x99, 0x09,
+	0xcc, 0xe7, 0x7a, 0x3b, 0x37, 0xf7, 0x58, 0xc8,
+	0x46, 0x8c, 0x2b, 0x2f, 0x4e, 0x0e, 0xa6, 0x5c,
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+	0xae, 0xab, 0x74, 0x96, 0x32, 0xc7, 0x4c, 0x56,
+	0x3c, 0x89, 0x0f, 0x96, 0x0b, 0x42, 0xc0, 0xcb,
+	0xee, 0x0f, 0x0b, 0x8c, 0xfb, 0x7e, 0x47, 0x7b,
+	0x64, 0x48, 0xfd, 0xb2, 0x00, 0x80, 0x89, 0xa5,
+	0x13, 0x55, 0x62, 0xfc, 0x8f, 0xe2, 0x42, 0x03,
+	0xb7, 0x4e, 0x2a, 0x79, 0xb4, 0x82, 0xea, 0x23,
+	0x49, 0xda, 0xaf, 0x52, 0x63, 0x1e, 0x60, 0x03,
+	0x89, 0x06, 0x44, 0x46, 0x08, 0xc3, 0xc4, 0x87,
+	0x70, 0x2e, 0xda, 0x94, 0xad, 0x6b, 0xe0, 0xe4,
+	0xd1, 0x8a, 0x06, 0xc2, 0xa8, 0xc0, 0xa7, 0x43,
+	0x3c, 0x47, 0x52, 0x0e, 0xc3, 0x77, 0x81, 0x11,
+	0x67, 0x0e, 0xa0, 0x70, 0x04, 0x47, 0x29, 0x40,
+	0x86, 0x0d, 0x34, 0x56, 0xa7, 0xc9, 0x35, 0x59,
+	0x68, 0xdc, 0x93, 0x81, 0x70, 0xee, 0x86, 0xd9,
+	0x80, 0x06, 0x40, 0x4f, 0x1a, 0x0d, 0x40, 0x30,
+	0x0b, 0xcb, 0x96, 0x47, 0xc1, 0xb7, 0x52, 0xfd,
+	0x56, 0xe0, 0x72, 0x4b, 0xfb, 0xbd, 0x92, 0x45,
+	0x61, 0x71, 0xc2, 0x33, 0x11, 0xbf, 0x52, 0x83,
+	0x79, 0x26, 0xe0, 0x49, 0x6b, 0xb7, 0x05, 0x8b,
+	0xe8, 0x0e, 0x87, 0x31, 0xd7, 0x9d, 0x8a, 0xf5,
+	0xc0, 0x5f, 0x2e, 0x58, 0x4a, 0xdb, 0x11, 0xb3,
+	0x6c, 0x30, 0x2a, 0x46, 0x19, 0xe3, 0x27, 0x84,
+	0x1f, 0x63, 0x6e, 0xf6, 0x57, 0xc7, 0xc9, 0xd8,
+	0x5e, 0xba, 0xb3, 0x87, 0xd5, 0x83, 0x26, 0x34,
+	0x21, 0x9e, 0x65, 0xde, 0x42, 0xd3, 0xbe, 0x7b,
+	0xbc, 0x91, 0x71, 0x44, 0x4d, 0x99, 0x3b, 0x31,
+	0xe5, 0x3f, 0x11, 0x4e, 0x7f, 0x13, 0x51, 0x3b,
+	0xae, 0x79, 0xc9, 0xd3, 0x81, 0x8e, 0x25, 0x40,
+	0x10, 0xfc, 0x07, 0x1e, 0xf9, 0x7b, 0x9a, 0x4b,
+	0x6c, 0xe3, 0xb3, 0xad, 0x1a, 0x0a, 0xdd, 0x9e,
+	0x59, 0x0c, 0xa2, 0xcd, 0xae, 0x48, 0x4a, 0x38,
+	0x5b, 0x47, 0x41, 0x94, 0x65, 0x6b, 0xbb, 0xeb,
+	0x5b, 0xe3, 0xaf, 0x07, 0x5b, 0xd4, 0x4a, 0xa2,
+	0xc9, 0x5d, 0x2f, 0x64, 0x03, 0xd7, 0x3a, 0x2c,
+	0x6e, 0xce, 0x76, 0x95, 0xb4, 0xb3, 0xc0, 0xf1,
+	0xe2, 0x45, 0x73, 0x7a, 0x5c, 0xab, 0xc1, 0xfc,
+	0x02, 0x8d, 0x81, 0x29, 0xb3, 0xac, 0x07, 0xec,
+	0x40, 0x7d, 0x45, 0xd9, 0x7a, 0x59, 0xee, 0x34,
+	0xf0, 0xe9, 0xd5, 0x7b, 0x96, 0xb1, 0x3d, 0x95,
+	0xcc, 0x86, 0xb5, 0xb6, 0x04, 0x2d, 0xb5, 0x92,
+	0x7e, 0x76, 0xf4, 0x06, 0xa9, 0xa3, 0x12, 0x0f,
+	0xb1, 0xaf, 0x26, 0xba, 0x7c, 0xfc, 0x7e, 0x1c,
+	0xbc, 0x2c, 0x49, 0x97, 0x53, 0x60, 0x13, 0x0b,
+	0xa6, 0x61, 0x83, 0x89, 0x42, 0xd4, 0x17, 0x0c,
+	0x6c, 0x26, 0x52, 0xc3, 0xb3, 0xd4, 0x67, 0xf5,
+	0xe3, 0x04, 0xb7, 0xf4, 0xcb, 0x80, 0xb8, 0xcb,
+	0x77, 0x56, 0x3e, 0xaa, 0x57, 0x54, 0xee, 0xb4,
+	0x2c, 0x67, 0xcf, 0xf2, 0xdc, 0xbe, 0x55, 0xf9,
+	0x43, 0x1f, 0x6e, 0x22, 0x97, 0x67, 0x7f, 0xc4,
+	0xef, 0xb1, 0x26, 0x31, 0x1e, 0x27, 0xdf, 0x41,
+	0x80, 0x47, 0x6c, 0xe2, 0xfa, 0xa9, 0x8c, 0x2a,
+	0xf6, 0xf2, 0xab, 0xf0, 0x15, 0xda, 0x6c, 0xc8,
+	0xfe, 0xb5, 0x23, 0xde, 0xa9, 0x05, 0x3f, 0x06,
+	0x54, 0x4c, 0xcd, 0xe1, 0xab, 0xfc, 0x0e, 0x62,
+	0x33, 0x31, 0x73, 0x2c, 0x76, 0xcb, 0xb4, 0x47,
+	0x1e, 0x20, 0xad, 0xd8, 0xf2, 0x31, 0xdd, 0xc4,
+	0x8b, 0x0c, 0x77, 0xbe, 0xe1, 0x8b, 0x26, 0x00,
+	0x02, 0x58, 0xd6, 0x8d, 0xef, 0xad, 0x74, 0x67,
+	0xab, 0x3f, 0xef, 0xcb, 0x6f, 0xb0, 0xcc, 0x81,
+	0x44, 0x4c, 0xaf, 0xe9, 0x49, 0x4f, 0xdb, 0xa0,
+	0x25, 0xa4, 0xf0, 0x89, 0xf1, 0xbe, 0xd8, 0x10,
+	0xff, 0xb1, 0x3b, 0x4b, 0xfa, 0x98, 0xf5, 0x79,
+	0x6d, 0x1e, 0x69, 0x4d, 0x57, 0xb1, 0xc8, 0x19,
+	0x1b, 0xbd, 0x1e, 0x8c, 0x84, 0xb7, 0x7b, 0xe8,
+	0xd2, 0x2d, 0x09, 0x41, 0x41, 0x37, 0x3d, 0xb1,
+	0x6f, 0x26, 0x5d, 0x71, 0x16, 0x3d, 0xb7, 0x83,
+	0x27, 0x2c, 0xa7, 0xb6, 0x50, 0xbd, 0x91, 0x86,
+	0xab, 0x24, 0xa1, 0x38, 0xfd, 0xea, 0x71, 0x55,
+	0x7e, 0x9a, 0x07, 0x77, 0x4b, 0xfa, 0x61, 0x66,
+	0x20, 0x1e, 0x28, 0x95, 0x18, 0x1b, 0xa4, 0xa0,
+	0xfd, 0xc0, 0x89, 0x72, 0x43, 0xd9, 0x3b, 0x49,
+	0x5a, 0x3f, 0x9d, 0xbf, 0xdb, 0xb4, 0x46, 0xea,
+	0x42, 0x01, 0x77, 0x23, 0x68, 0x95, 0xb6, 0x24,
+	0xb3, 0xa8, 0x6c, 0x28, 0x3b, 0x11, 0x40, 0x7e,
+	0x18, 0x65, 0x6d, 0xd8, 0x24, 0x42, 0x7d, 0x88,
+	0xc0, 0x52, 0xd9, 0x05, 0xe4, 0x95, 0x90, 0x87,
+	0x8c, 0xf4, 0xd0, 0x6b, 0xb9, 0x83, 0x99, 0x34,
+	0x6d, 0xfe, 0x54, 0x40, 0x94, 0x52, 0x21, 0x4f,
+	0x14, 0x25, 0xc5, 0xd6, 0x5e, 0x95, 0xdc, 0x0a,
+	0x2b, 0x89, 0x20, 0x11, 0x84, 0x48, 0xd6, 0x3a,
+	0xcd, 0x5c, 0x24, 0xad, 0x62, 0xe3, 0xb1, 0x93,
+	0x25, 0x8d, 0xcd, 0x7e, 0xfc, 0x27, 0xa3, 0x37,
+	0xfd, 0x84, 0xfc, 0x1b, 0xb2, 0xf1, 0x27, 0x38,
+	0x5a, 0xb7, 0xfc, 0xf2, 0xfa, 0x95, 0x66, 0xd4,
+	0xfb, 0xba, 0xa7, 0xd7, 0xa3, 0x72, 0x69, 0x48,
+	0x48, 0x8c, 0xeb, 0x28, 0x89, 0xfe, 0x33, 0x65,
+	0x5a, 0x36, 0x01, 0x7e, 0x06, 0x79, 0x0a, 0x09,
+	0x3b, 0x74, 0x11, 0x9a, 0x6e, 0xbf, 0xd4, 0x9e,
+	0x58, 0x90, 0x49, 0x4f, 0x4d, 0x08, 0xd4, 0xe5,
+	0x4a, 0x09, 0x21, 0xef, 0x8b, 0xb8, 0x74, 0x3b,
+	0x91, 0xdd, 0x36, 0x85, 0x60, 0x2d, 0xfa, 0xd4,
+	0x45, 0x7b, 0x45, 0x53, 0xf5, 0x47, 0x87, 0x7e,
+	0xa6, 0x37, 0xc8, 0x78, 0x7a, 0x68, 0x9d, 0x8d,
+	0x65, 0x2c, 0x0e, 0x91, 0x5c, 0xa2, 0x60, 0xf0,
+	0x8e, 0x3f, 0xe9, 0x1a, 0xcd, 0xaa, 0xe7, 0xd5,
+	0x77, 0x18, 0xaf, 0xc9, 0xbc, 0x18, 0xea, 0x48,
+	0x1b, 0xfb, 0x22, 0x48, 0x70, 0x16, 0x29, 0x9e,
+	0x5b, 0xc1, 0x2c, 0x66, 0x23, 0xbc, 0xf0, 0x1f,
+	0xef, 0xaf, 0xe4, 0xd6, 0x04, 0x19, 0x82, 0x7a,
+	0x0b, 0xba, 0x4b, 0x46, 0xb1, 0x6a, 0x85, 0x5d,
+	0xb4, 0x73, 0xd6, 0x21, 0xa1, 0x71, 0x60, 0x14,
+	0xee, 0x0a, 0x77, 0xc4, 0x66, 0x2e, 0xf9, 0x69,
+	0x30, 0xaf, 0x41, 0x0b, 0xc8, 0x83, 0x3c, 0x53,
+	0x99, 0x19, 0x27, 0x46, 0xf7, 0x41, 0x6e, 0x56,
+	0xdc, 0x94, 0x28, 0x67, 0x4e, 0xb7, 0x25, 0x48,
+	0x8a, 0xc2, 0xe0, 0x60, 0x96, 0xcc, 0x18, 0xf4,
+	0x84, 0xdd, 0xa7, 0x5e, 0x3e, 0x05, 0x0b, 0x26,
+	0x26, 0xb2, 0x5c, 0x1f, 0x57, 0x1a, 0x04, 0x7e,
+	0x6a, 0xe3, 0x2f, 0xb4, 0x35, 0xb6, 0x38, 0x40,
+	0x40, 0xcd, 0x6f, 0x87, 0x2e, 0xef, 0xa3, 0xd7,
+	0xa9, 0xc2, 0xe8, 0x0d, 0x27, 0xdf, 0x44, 0x62,
+	0x99, 0xa0, 0xfc, 0xcf, 0x81, 0x78, 0xcb, 0xfe,
+	0xe5, 0xa0, 0x03, 0x4e, 0x6c, 0xd7, 0xf4, 0xaf,
+	0x7a, 0xbb, 0x61, 0x82, 0xfe, 0x71, 0x89, 0xb2,
+	0x22, 0x7c, 0x8e, 0x83, 0x04, 0xce, 0xf6, 0x5d,
+	0x84, 0x8f, 0x95, 0x6a, 0x7f, 0xad, 0xfd, 0x32,
+	0x9c, 0x5e, 0xe4, 0x9c, 0x89, 0x60, 0x54, 0xaa,
+	0x96, 0x72, 0xd2, 0xd7, 0x36, 0x85, 0xa9, 0x45,
+	0xd2, 0x2a, 0xa1, 0x81, 0x49, 0x6f, 0x7e, 0x04,
+	0xfa, 0xe2, 0xfe, 0x90, 0x26, 0x77, 0x5a, 0x33,
+	0xb8, 0x04, 0x9a, 0x7a, 0xe6, 0x4c, 0x4f, 0xad,
+	0x72, 0x96, 0x08, 0x28, 0x58, 0x13, 0xf8, 0xc4,
+	0x1c, 0xf0, 0xc3, 0x45, 0x95, 0x49, 0x20, 0x8c,
+	0x9f, 0x39, 0x70, 0xe1, 0x77, 0xfe, 0xd5, 0x4b,
+	0xaf, 0x86, 0xda, 0xef, 0x22, 0x06, 0x83, 0x36,
+	0x29, 0x12, 0x11, 0x40, 0xbc, 0x3b, 0x86, 0xaa,
+	0xaa, 0x65, 0x60, 0xc3, 0x80, 0xca, 0xed, 0xa9,
+	0xf3, 0xb0, 0x79, 0x96, 0xa2, 0x55, 0x27, 0x28,
+	0x55, 0x73, 0x26, 0xa5, 0x50, 0xea, 0x92, 0x4b,
+	0x3c, 0x5c, 0x82, 0x33, 0xf0, 0x01, 0x3f, 0x03,
+	0xc1, 0x08, 0x05, 0xbf, 0x98, 0xf4, 0x9b, 0x6d,
+	0xa5, 0xa8, 0xb4, 0x82, 0x0c, 0x06, 0xfa, 0xff,
+	0x2d, 0x08, 0xf3, 0x05, 0x4f, 0x57, 0x2a, 0x39,
+	0xd4, 0x83, 0x0d, 0x75, 0x51, 0xd8, 0x5b, 0x1b,
+	0xd3, 0x51, 0x5a, 0x32, 0x2a, 0x9b, 0x32, 0xb2,
+	0xf2, 0xa4, 0x96, 0x12, 0xf2, 0xae, 0x40, 0x34,
+	0x67, 0xa8, 0xf5, 0x44, 0xd5, 0x35, 0x53, 0xfe,
+	0xa3, 0x60, 0x96, 0x63, 0x0f, 0x1f, 0x6e, 0xb0,
+	0x5a, 0x42, 0xa6, 0xfc, 0x51, 0x0b, 0x60, 0x27,
+	0xbc, 0x06, 0x71, 0xed, 0x65, 0x5b, 0x23, 0x86,
+	0x4a, 0x07, 0x3b, 0x22, 0x07, 0x46, 0xe6, 0x90,
+	0x3e, 0xf3, 0x25, 0x50, 0x1b, 0x4c, 0x7f, 0x03,
+	0x08, 0xa8, 0x36, 0x6b, 0x87, 0xe5, 0xe3, 0xdb,
+	0x9a, 0x38, 0x83, 0xff, 0x9f, 0x1a, 0x9f, 0x57,
+	0xa4, 0x2a, 0xf6, 0x37, 0xbc, 0x1a, 0xff, 0xc9,
+	0x1e, 0x35, 0x0c, 0xc3, 0x7c, 0xa3, 0xb2, 0xe5,
+	0xd2, 0xc6, 0xb4, 0x57, 0x47, 0xe4, 0x32, 0x16,
+	0x6d, 0xa9, 0xae, 0x64, 0xe6, 0x2d, 0x8d, 0xc5,
+	0x8d, 0x50, 0x8e, 0xe8, 0x1a, 0x22, 0x34, 0x2a,
+	0xd9, 0xeb, 0x51, 0x90, 0x4a, 0xb1, 0x41, 0x7d,
+	0x64, 0xf9, 0xb9, 0x0d, 0xf6, 0x23, 0x33, 0xb0,
+	0x33, 0xf4, 0xf7, 0x3f, 0x27, 0x84, 0xc6, 0x0f,
+	0x54, 0xa5, 0xc0, 0x2e, 0xec, 0x0b, 0x3a, 0x48,
+	0x6e, 0x80, 0x35, 0x81, 0x43, 0x9b, 0x90, 0xb1,
+	0xd0, 0x2b, 0xea, 0x21, 0xdc, 0xda, 0x5b, 0x09,
+	0xf4, 0xcc, 0x10, 0xb4, 0xc7, 0xfe, 0x79, 0x51,
+	0xc3, 0xc5, 0xac, 0x88, 0x74, 0x84, 0x0b, 0x4b,
+	0xca, 0x79, 0x16, 0x29, 0xfb, 0x69, 0x54, 0xdf,
+	0x41, 0x7e, 0xe9, 0xc7, 0x8e, 0xea, 0xa5, 0xfe,
+	0xfc, 0x76, 0x0e, 0x90, 0xc4, 0x92, 0x38, 0xad,
+	0x7b, 0x48, 0xe6, 0x6e, 0xf7, 0x21, 0xfd, 0x4e,
+	0x93, 0x0a, 0x7b, 0x41, 0x83, 0x68, 0xfb, 0x57,
+	0x51, 0x76, 0x34, 0xa9, 0x6c, 0x00, 0xaa, 0x4f,
+	0x66, 0x65, 0x98, 0x4a, 0x4f, 0xa3, 0xa0, 0xef,
+	0x69, 0x3f, 0xe3, 0x1c, 0x92, 0x8c, 0xfd, 0xd8,
+	0xe8, 0xde, 0x7c, 0x7f, 0x3e, 0x84, 0x8e, 0x69,
+	0x3c, 0xf1, 0xf2, 0x05, 0x46, 0xdc, 0x2f, 0x9d,
+	0x5e, 0x6e, 0x4c, 0xfb, 0xb5, 0x99, 0x2a, 0x59,
+	0x63, 0xc1, 0x34, 0xbc, 0x57, 0xc0, 0x0d, 0xb9,
+	0x61, 0x25, 0xf3, 0x33, 0x23, 0x51, 0xb6, 0x0d,
+	0x07, 0xa6, 0xab, 0x94, 0x4a, 0xb7, 0x2a, 0xea,
+	0xee, 0xac, 0xa3, 0xc3, 0x04, 0x8b, 0x0e, 0x56,
+	0xfe, 0x44, 0xa7, 0x39, 0xe2, 0xed, 0xed, 0xb4,
+	0x22, 0x2b, 0xac, 0x12, 0x32, 0x28, 0x91, 0xd8,
+	0xa5, 0xab, 0xff, 0x5f, 0xe0, 0x4b, 0xda, 0x78,
+	0x17, 0xda, 0xf1, 0x01, 0x5b, 0xcd, 0xe2, 0x5f,
+	0x50, 0x45, 0x73, 0x2b, 0xe4, 0x76, 0x77, 0xf4,
+	0x64, 0x1d, 0x43, 0xfb, 0x84, 0x7a, 0xea, 0x91,
+	0xae, 0xf9, 0x9e, 0xb7, 0xb4, 0xb0, 0x91, 0x5f,
+	0x16, 0x35, 0x9a, 0x11, 0xb8, 0xc7, 0xc1, 0x8c,
+	0xc6, 0x10, 0x8d, 0x2f, 0x63, 0x4a, 0xa7, 0x57,
+	0x3a, 0x51, 0xd6, 0x32, 0x2d, 0x64, 0x72, 0xd4,
+	0x66, 0xdc, 0x10, 0xa6, 0x67, 0xd6, 0x04, 0x23,
+	0x9d, 0x0a, 0x11, 0x77, 0xdd, 0x37, 0x94, 0x17,
+	0x3c, 0xbf, 0x8b, 0x65, 0xb0, 0x2e, 0x5e, 0x66,
+	0x47, 0x64, 0xac, 0xdd, 0xf0, 0x84, 0xfd, 0x39,
+	0xfa, 0x15, 0x5d, 0xef, 0xae, 0xca, 0xc1, 0x36,
+	0xa7, 0x5c, 0xbf, 0xc7, 0x08, 0xc2, 0x66, 0x00,
+	0x74, 0x74, 0x4e, 0x27, 0x3f, 0x55, 0x8a, 0xb7,
+	0x38, 0x66, 0x83, 0x6d, 0xcf, 0x99, 0x9e, 0x60,
+	0x8f, 0xdd, 0x2e, 0x62, 0x22, 0x0e, 0xef, 0x0c,
+	0x98, 0xa7, 0x85, 0x74, 0x3b, 0x9d, 0xec, 0x9e,
+	0xa9, 0x19, 0x72, 0xa5, 0x7f, 0x2c, 0x39, 0xb7,
+	0x7d, 0xb7, 0xf1, 0x12, 0x65, 0x27, 0x4b, 0x5a,
+	0xde, 0x17, 0xfe, 0xad, 0x44, 0xf3, 0x20, 0x4d,
+	0xfd, 0xe4, 0x1f, 0xb5, 0x81, 0xb0, 0x36, 0x37,
+	0x08, 0x6f, 0xc3, 0x0c, 0xe9, 0x85, 0x98, 0x82,
+	0xa9, 0x62, 0x0c, 0xc4, 0x97, 0xc0, 0x50, 0xc8,
+	0xa7, 0x3c, 0x50, 0x9f, 0x43, 0xb9, 0xcd, 0x5e,
+	0x4d, 0xfa, 0x1c, 0x4b, 0x0b, 0xa9, 0x98, 0x85,
+	0x38, 0x92, 0xac, 0x8d, 0xe4, 0xad, 0x9b, 0x98,
+	0xab, 0xd9, 0x38, 0xac, 0x62, 0x52, 0xa3, 0x22,
+	0x63, 0x0f, 0xbf, 0x95, 0x48, 0xdf, 0x69, 0xe7,
+	0x8b, 0x33, 0xd5, 0xb2, 0xbd, 0x05, 0x49, 0x49,
+	0x9d, 0x57, 0x73, 0x19, 0x33, 0xae, 0xfa, 0x33,
+	0xf1, 0x19, 0xa8, 0x80, 0xce, 0x04, 0x9f, 0xbc,
+	0x1d, 0x65, 0x82, 0x1b, 0xe5, 0x3a, 0x51, 0xc8,
+	0x1c, 0x21, 0xe3, 0x5d, 0xf3, 0x7d, 0x9b, 0x2f,
+	0x2c, 0x1d, 0x4a, 0x7f, 0x9b, 0x68, 0x35, 0xa3,
+	0xb2, 0x50, 0xf7, 0x62, 0x79, 0xcd, 0xf4, 0x98,
+	0x4f, 0xe5, 0x63, 0x7c, 0x3e, 0x45, 0x31, 0x8c,
+	0x16, 0xa0, 0x12, 0xc8, 0x58, 0xce, 0x39, 0xa6,
+	0xbc, 0x54, 0xdb, 0xc5, 0xe0, 0xd5, 0xba, 0xbc,
+	0xb9, 0x04, 0xf4, 0x8d, 0xe8, 0x2f, 0x15, 0x9d,
+};
+
+/* 100 test cases */
+static struct crc_test {
+	u32 crc;	/* random starting crc */
+	u32 start;	/* random 6 bit offset in buf */
+	u32 length;	/* random 11 bit length of test */
+	u32 crc_le;	/* expected crc32_le result */
+	u32 crc_be;	/* expected crc32_be result */
+	u32 crc32c_le;	/* expected crc32c_le result */
+} const test[] __initconst =
+{
+	{0x674bf11d, 0x00000038, 0x00000542, 0x0af6d466, 0xd8b6e4c1, 0xf6e93d6c},
+	{0x35c672c6, 0x0000003a, 0x000001aa, 0xc6d3dfba, 0x28aaf3ad, 0x0fe92aca},
+	{0x496da28e, 0x00000039, 0x000005af, 0xd933660f, 0x5d57e81f, 0x52e1ebb8},
+	{0x09a9b90e, 0x00000027, 0x000001f8, 0xb45fe007, 0xf45fca9a, 0x0798af9a},
+	{0xdc97e5a9, 0x00000025, 0x000003b6, 0xf81a3562, 0xe0126ba2, 0x18eb3152},
+	{0x47c58900, 0x0000000a, 0x000000b9, 0x8e58eccf, 0xf3afc793, 0xd00d08c7},
+	{0x292561e8, 0x0000000c, 0x00000403, 0xa2ba8aaf, 0x0b797aed, 0x8ba966bc},
+	{0x415037f6, 0x00000003, 0x00000676, 0xa17d52e8, 0x7f0fdf35, 0x11d694a2},
+	{0x3466e707, 0x00000026, 0x00000042, 0x258319be, 0x75c484a2, 0x6ab3208d},
+	{0xafd1281b, 0x00000023, 0x000002ee, 0x4428eaf8, 0x06c7ad10, 0xba4603c5},
+	{0xd3857b18, 0x00000028, 0x000004a2, 0x5c430821, 0xb062b7cb, 0xe6071c6f},
+	{0x1d825a8f, 0x0000002b, 0x0000050b, 0xd2c45f0c, 0xd68634e0, 0x179ec30a},
+	{0x5033e3bc, 0x0000000b, 0x00000078, 0xa3ea4113, 0xac6d31fb, 0x0903beb8},
+	{0x94f1fb5e, 0x0000000f, 0x000003a2, 0xfbfc50b1, 0x3cfe50ed, 0x6a7cb4fa},
+	{0xc9a0fe14, 0x00000009, 0x00000473, 0x5fb61894, 0x87070591, 0xdb535801},
+	{0x88a034b1, 0x0000001c, 0x000005ad, 0xc1b16053, 0x46f95c67, 0x92bed597},
+	{0xf0f72239, 0x00000020, 0x0000026d, 0xa6fa58f3, 0xf8c2c1dd, 0x192a3f1b},
+	{0xcc20a5e3, 0x0000003b, 0x0000067a, 0x7740185a, 0x308b979a, 0xccbaec1a},
+	{0xce589c95, 0x0000002b, 0x00000641, 0xd055e987, 0x40aae25b, 0x7eabae4d},
+	{0x78edc885, 0x00000035, 0x000005be, 0xa39cb14b, 0x035b0d1f, 0x28c72982},
+	{0x9d40a377, 0x0000003b, 0x00000038, 0x1f47ccd2, 0x197fbc9d, 0xc3cd4d18},
+	{0x703d0e01, 0x0000003c, 0x000006f1, 0x88735e7c, 0xfed57c5a, 0xbca8f0e7},
+	{0x776bf505, 0x0000000f, 0x000005b2, 0x5cc4fc01, 0xf32efb97, 0x713f60b3},
+	{0x4a3e7854, 0x00000027, 0x000004b8, 0x8d923c82, 0x0cbfb4a2, 0xebd08fd5},
+	{0x209172dd, 0x0000003b, 0x00000356, 0xb89e9c2b, 0xd7868138, 0x64406c59},
+	{0x3ba4cc5b, 0x0000002f, 0x00000203, 0xe51601a9, 0x5b2a1032, 0x7421890e},
+	{0xfc62f297, 0x00000000, 0x00000079, 0x71a8e1a2, 0x5d88685f, 0xe9347603},
+	{0x64280b8b, 0x00000016, 0x000007ab, 0x0fa7a30c, 0xda3a455f, 0x1bef9060},
+	{0x97dd724b, 0x00000033, 0x000007ad, 0x5788b2f4, 0xd7326d32, 0x34720072},
+	{0x61394b52, 0x00000035, 0x00000571, 0xc66525f1, 0xcabe7fef, 0x48310f59},
+	{0x29b4faff, 0x00000024, 0x0000006e, 0xca13751e, 0x993648e0, 0x783a4213},
+	{0x29bfb1dc, 0x0000000b, 0x00000244, 0x436c43f7, 0x429f7a59, 0x9e8efd41},
+	{0x86ae934b, 0x00000035, 0x00000104, 0x0760ec93, 0x9cf7d0f4, 0xfc3d34a5},
+	{0xc4c1024e, 0x0000002e, 0x000006b1, 0x6516a3ec, 0x19321f9c, 0x17a52ae2},
+	{0x3287a80a, 0x00000026, 0x00000496, 0x0b257eb1, 0x754ebd51, 0x886d935a},
+	{0xa4db423e, 0x00000023, 0x0000045d, 0x9b3a66dc, 0x873e9f11, 0xeaaeaeb2},
+	{0x7a1078df, 0x00000015, 0x0000014a, 0x8c2484c5, 0x6a628659, 0x8e900a4b},
+	{0x6048bd5b, 0x00000006, 0x0000006a, 0x897e3559, 0xac9961af, 0xd74662b1},
+	{0xd8f9ea20, 0x0000003d, 0x00000277, 0x60eb905b, 0xed2aaf99, 0xd26752ba},
+	{0xea5ec3b4, 0x0000002a, 0x000004fe, 0x869965dc, 0x6c1f833b, 0x8b1fcd62},
+	{0x2dfb005d, 0x00000016, 0x00000345, 0x6a3b117e, 0xf05e8521, 0xf54342fe},
+	{0x5a214ade, 0x00000020, 0x000005b6, 0x467f70be, 0xcb22ccd3, 0x5b95b988},
+	{0xf0ab9cca, 0x00000032, 0x00000515, 0xed223df3, 0x7f3ef01d, 0x2e1176be},
+	{0x91b444f9, 0x0000002e, 0x000007f8, 0x84e9a983, 0x5676756f, 0x66120546},
+	{0x1b5d2ddb, 0x0000002e, 0x0000012c, 0xba638c4c, 0x3f42047b, 0xf256a5cc},
+	{0xd824d1bb, 0x0000003a, 0x000007b5, 0x6288653b, 0x3a3ebea0, 0x4af1dd69},
+	{0x0470180c, 0x00000034, 0x000001f0, 0x9d5b80d6, 0x3de08195, 0x56f0a04a},
+	{0xffaa3a3f, 0x00000036, 0x00000299, 0xf3a82ab8, 0x53e0c13d, 0x74f6b6b2},
+	{0x6406cfeb, 0x00000023, 0x00000600, 0xa920b8e8, 0xe4e2acf4, 0x085951fd},
+	{0xb24aaa38, 0x0000003e, 0x000004a1, 0x657cc328, 0x5077b2c3, 0xc65387eb},
+	{0x58b2ab7c, 0x00000039, 0x000002b4, 0x3a17ee7e, 0x9dcb3643, 0x1ca9257b},
+	{0x3db85970, 0x00000006, 0x000002b6, 0x95268b59, 0xb9812c10, 0xfd196d76},
+	{0x857830c5, 0x00000003, 0x00000590, 0x4ef439d5, 0xf042161d, 0x5ef88339},
+	{0xe1fcd978, 0x0000003e, 0x000007d8, 0xae8d8699, 0xce0a1ef5, 0x2c3714d9},
+	{0xb982a768, 0x00000016, 0x000006e0, 0x62fad3df, 0x5f8a067b, 0x58576548},
+	{0x1d581ce8, 0x0000001e, 0x0000058b, 0xf0f5da53, 0x26e39eee, 0xfd7c57de},
+	{0x2456719b, 0x00000025, 0x00000503, 0x4296ac64, 0xd50e4c14, 0xd5fedd59},
+	{0xfae6d8f2, 0x00000000, 0x0000055d, 0x057fdf2e, 0x2a31391a, 0x1cc3b17b},
+	{0xcba828e3, 0x00000039, 0x000002ce, 0xe3f22351, 0x8f00877b, 0x270eed73},
+	{0x13d25952, 0x0000000a, 0x0000072d, 0x76d4b4cc, 0x5eb67ec3, 0x91ecbb11},
+	{0x0342be3f, 0x00000015, 0x00000599, 0xec75d9f1, 0x9d4d2826, 0x05ed8d0c},
+	{0xeaa344e0, 0x00000014, 0x000004d8, 0x72a4c981, 0x2064ea06, 0x0b09ad5b},
+	{0xbbb52021, 0x0000003b, 0x00000272, 0x04af99fc, 0xaf042d35, 0xf8d511fb},
+	{0xb66384dc, 0x0000001d, 0x000007fc, 0xd7629116, 0x782bd801, 0x5ad832cc},
+	{0x616c01b6, 0x00000022, 0x000002c8, 0x5b1dab30, 0x783ce7d2, 0x1214d196},
+	{0xce2bdaad, 0x00000016, 0x0000062a, 0x932535c8, 0x3f02926d, 0x5747218a},
+	{0x00fe84d7, 0x00000005, 0x00000205, 0x850e50aa, 0x753d649c, 0xde8f14de},
+	{0xbebdcb4c, 0x00000006, 0x0000055d, 0xbeaa37a2, 0x2d8c9eba, 0x3563b7b9},
+	{0xd8b1a02a, 0x00000010, 0x00000387, 0x5017d2fc, 0x503541a5, 0x071475d0},
+	{0x3b96cad2, 0x00000036, 0x00000347, 0x1d2372ae, 0x926cd90b, 0x54c79d60},
+	{0xc94c1ed7, 0x00000005, 0x0000038b, 0x9e9fdb22, 0x144a9178, 0x4c53eee6},
+	{0x1aad454e, 0x00000025, 0x000002b2, 0xc3f6315c, 0x5c7a35b3, 0x10137a3c},
+	{0xa4fec9a6, 0x00000000, 0x000006d6, 0x90be5080, 0xa4107605, 0xaa9d6c73},
+	{0x1bbe71e2, 0x0000001f, 0x000002fd, 0x4e504c3b, 0x284ccaf1, 0xb63d23e7},
+	{0x4201c7e4, 0x00000002, 0x000002b7, 0x7822e3f9, 0x0cc912a9, 0x7f53e9cf},
+	{0x23fddc96, 0x00000003, 0x00000627, 0x8a385125, 0x07767e78, 0x13c1cd83},
+	{0xd82ba25c, 0x00000016, 0x0000063e, 0x98e4148a, 0x283330c9, 0x49ff5867},
+	{0x786f2032, 0x0000002d, 0x0000060f, 0xf201600a, 0xf561bfcd, 0x8467f211},
+	{0xfebe4e1f, 0x0000002a, 0x000004f2, 0x95e51961, 0xfd80dcab, 0x3f9683b2},
+	{0x1a6e0a39, 0x00000008, 0x00000672, 0x8af6c2a5, 0x78dd84cb, 0x76a3f874},
+	{0x56000ab8, 0x0000000e, 0x000000e5, 0x36bacb8f, 0x22ee1f77, 0x863b702f},
+	{0x4717fe0c, 0x00000000, 0x000006ec, 0x8439f342, 0x5c8e03da, 0xdc6c58ff},
+	{0xd5d5d68e, 0x0000003c, 0x000003a3, 0x46fff083, 0x177d1b39, 0x0622cc95},
+	{0xc25dd6c6, 0x00000024, 0x000006c0, 0x5ceb8eb4, 0x892b0d16, 0xe85605cd},
+	{0xe9b11300, 0x00000023, 0x00000683, 0x07a5d59a, 0x6c6a3208, 0x31da5f06},
+	{0x95cd285e, 0x00000001, 0x00000047, 0x7b3a4368, 0x0202c07e, 0xa1f2e784},
+	{0xd9245a25, 0x0000001e, 0x000003a6, 0xd33c1841, 0x1936c0d5, 0xb07cc616},
+	{0x103279db, 0x00000006, 0x0000039b, 0xca09b8a0, 0x77d62892, 0xbf943b6c},
+	{0x1cba3172, 0x00000027, 0x000001c8, 0xcb377194, 0xebe682db, 0x2c01af1c},
+	{0x8f613739, 0x0000000c, 0x000001df, 0xb4b0bc87, 0x7710bd43, 0x0fe5f56d},
+	{0x1c6aa90d, 0x0000001b, 0x0000053c, 0x70559245, 0xda7894ac, 0xf8943b2d},
+	{0xaabe5b93, 0x0000003d, 0x00000715, 0xcdbf42fa, 0x0c3b99e7, 0xe4d89272},
+	{0xf15dd038, 0x00000006, 0x000006db, 0x6e104aea, 0x8d5967f2, 0x7c2f6bbb},
+	{0x584dd49c, 0x00000020, 0x000007bc, 0x36b6cfd6, 0xad4e23b2, 0xabbf388b},
+	{0x5d8c9506, 0x00000020, 0x00000470, 0x4c62378e, 0x31d92640, 0x1dca1f4e},
+	{0xb80d17b0, 0x00000032, 0x00000346, 0x22a5bb88, 0x9a7ec89f, 0x5c170e23},
+	{0xdaf0592e, 0x00000023, 0x000007b0, 0x3cab3f99, 0x9b1fdd99, 0xc0e9d672},
+	{0x4793cc85, 0x0000000d, 0x00000706, 0xe82e04f6, 0xed3db6b7, 0xc18bdc86},
+	{0x82ebf64e, 0x00000009, 0x000007c3, 0x69d590a9, 0x9efa8499, 0xa874fcdd},
+	{0xb18a0319, 0x00000026, 0x000007db, 0x1cf98dcc, 0x8fa9ad6a, 0x9dc0bb48},
+};
+
+#include <linux/time.h>
+
+static int __init crc32c_test(void)
+{
+	int i;
+	int errors = 0;
+	int bytes = 0;
+	u64 nsec;
+	unsigned long flags;
+
+	/* keep static to prevent cache warming code from
+	 * getting eliminated by the compiler */
+	static u32 crc;
+
+	/* pre-warm the cache */
+	for (i = 0; i < 100; i++) {
+		bytes += 2*test[i].length;
+
+		crc ^= __crc32c_le(test[i].crc, test_buf +
+		    test[i].start, test[i].length);
+	}
+
+	/* reduce OS noise */
+	local_irq_save(flags);
+	local_irq_disable();
+
+	nsec = ktime_get_ns();
+	for (i = 0; i < 100; i++) {
+		if (test[i].crc32c_le != __crc32c_le(test[i].crc, test_buf +
+		    test[i].start, test[i].length))
+			errors++;
+	}
+	nsec = ktime_get_ns() - nsec;
+
+	local_irq_restore(flags);
+	local_irq_enable();
+
+	pr_info("crc32c: CRC_LE_BITS = %d\n", CRC_LE_BITS);
+
+	if (errors)
+		pr_warn("crc32c: %d self tests failed\n", errors);
+	else {
+		pr_info("crc32c: self tests passed, processed %d bytes in %lld nsec\n",
+			bytes, nsec);
+	}
+
+	return 0;
+}
+
+static int __init crc32c_combine_test(void)
+{
+	int i, j;
+	int errors = 0, runs = 0;
+
+	for (i = 0; i < 10; i++) {
+		u32 crc_full;
+
+		crc_full = __crc32c_le(test[i].crc, test_buf + test[i].start,
+				       test[i].length);
+		for (j = 0; j <= test[i].length; ++j) {
+			u32 crc1, crc2;
+			u32 len1 = j, len2 = test[i].length - j;
+
+			crc1 = __crc32c_le(test[i].crc, test_buf +
+					   test[i].start, len1);
+			crc2 = __crc32c_le(0, test_buf + test[i].start +
+					   len1, len2);
+
+			if (!(crc_full == __crc32c_le_combine(crc1, crc2, len2) &&
+			      crc_full == test[i].crc32c_le))
+				errors++;
+			runs++;
+			cond_resched();
+		}
+	}
+
+	if (errors)
+		pr_warn("crc32c_combine: %d/%d self tests failed\n", errors, runs);
+	else
+		pr_info("crc32c_combine: %d self tests passed\n", runs);
+
+	return 0;
+}
+
+static int __init crc32_test(void)
+{
+	int i;
+	int errors = 0;
+	int bytes = 0;
+	u64 nsec;
+	unsigned long flags;
+
+	/* keep static to prevent cache warming code from
+	 * getting eliminated by the compiler */
+	static u32 crc;
+
+	/* pre-warm the cache */
+	for (i = 0; i < 100; i++) {
+		bytes += 2*test[i].length;
+
+		crc ^= crc32_le(test[i].crc, test_buf +
+		    test[i].start, test[i].length);
+
+		crc ^= crc32_be(test[i].crc, test_buf +
+		    test[i].start, test[i].length);
+	}
+
+	/* reduce OS noise */
+	local_irq_save(flags);
+	local_irq_disable();
+
+	nsec = ktime_get_ns();
+	for (i = 0; i < 100; i++) {
+		if (test[i].crc_le != crc32_le(test[i].crc, test_buf +
+		    test[i].start, test[i].length))
+			errors++;
+
+		if (test[i].crc_be != crc32_be(test[i].crc, test_buf +
+		    test[i].start, test[i].length))
+			errors++;
+	}
+	nsec = ktime_get_ns() - nsec;
+
+	local_irq_restore(flags);
+	local_irq_enable();
+
+	pr_info("crc32: CRC_LE_BITS = %d, CRC_BE BITS = %d\n",
+		 CRC_LE_BITS, CRC_BE_BITS);
+
+	if (errors)
+		pr_warn("crc32: %d self tests failed\n", errors);
+	else {
+		pr_info("crc32: self tests passed, processed %d bytes in %lld nsec\n",
+			bytes, nsec);
+	}
+
+	return 0;
+}
+
+static int __init crc32_combine_test(void)
+{
+	int i, j;
+	int errors = 0, runs = 0;
+
+	for (i = 0; i < 10; i++) {
+		u32 crc_full;
+
+		crc_full = crc32_le(test[i].crc, test_buf + test[i].start,
+				    test[i].length);
+		for (j = 0; j <= test[i].length; ++j) {
+			u32 crc1, crc2;
+			u32 len1 = j, len2 = test[i].length - j;
+
+			crc1 = crc32_le(test[i].crc, test_buf +
+					test[i].start, len1);
+			crc2 = crc32_le(0, test_buf + test[i].start +
+					len1, len2);
+
+			if (!(crc_full == crc32_le_combine(crc1, crc2, len2) &&
+			      crc_full == test[i].crc_le))
+				errors++;
+			runs++;
+			cond_resched();
+		}
+	}
+
+	if (errors)
+		pr_warn("crc32_combine: %d/%d self tests failed\n", errors, runs);
+	else
+		pr_info("crc32_combine: %d self tests passed\n", runs);
+
+	return 0;
+}
+
+static int __init crc32test_init(void)
+{
+	crc32_test();
+	crc32c_test();
+
+	crc32_combine_test();
+	crc32c_combine_test();
+
+	return 0;
+}
+
+static void __exit crc32_exit(void)
+{
+}
+
+module_init(crc32test_init);
+module_exit(crc32_exit);
+
+MODULE_AUTHOR("Matt Domsch <Matt_Domsch@dell.com>");
+MODULE_DESCRIPTION("CRC32 selftest");
+MODULE_LICENSE("GPL");
diff --git a/lib/decompress_unlz4.c b/lib/decompress_unlz4.c
index 036fc882cd72..1b0baf3008ea 100644
--- a/lib/decompress_unlz4.c
+++ b/lib/decompress_unlz4.c
@@ -72,7 +72,7 @@ STATIC inline int INIT unlz4(u8 *input, long in_len,
 		error("NULL input pointer and missing fill function");
 		goto exit_1;
 	} else {
-		inp = large_malloc(lz4_compressbound(uncomp_chunksize));
+		inp = large_malloc(LZ4_compressBound(uncomp_chunksize));
 		if (!inp) {
 			error("Could not allocate input buffer");
 			goto exit_1;
@@ -136,7 +136,7 @@ STATIC inline int INIT unlz4(u8 *input, long in_len,
 			inp += 4;
 			size -= 4;
 		} else {
-			if (chunksize > lz4_compressbound(uncomp_chunksize)) {
+			if (chunksize > LZ4_compressBound(uncomp_chunksize)) {
 				error("chunk length is longer than allocated");
 				goto exit_2;
 			}
@@ -152,11 +152,14 @@ STATIC inline int INIT unlz4(u8 *input, long in_len,
 			out_len -= dest_len;
 		} else
 			dest_len = out_len;
-		ret = lz4_decompress(inp, &chunksize, outp, dest_len);
+
+		ret = LZ4_decompress_fast(inp, outp, dest_len);
+		chunksize = ret;
 #else
 		dest_len = uncomp_chunksize;
-		ret = lz4_decompress_unknownoutputsize(inp, chunksize, outp,
-				&dest_len);
+
+		ret = LZ4_decompress_safe(inp, outp, chunksize, dest_len);
+		dest_len = ret;
 #endif
 		if (ret < 0) {
 			error("Decoding failed");
diff --git a/lib/find_bit.c b/lib/find_bit.c
index 18072ea9c20e..6ed74f78380c 100644
--- a/lib/find_bit.c
+++ b/lib/find_bit.c
@@ -33,7 +33,7 @@ static unsigned long _find_next_bit(const unsigned long *addr,
 {
 	unsigned long tmp;
 
-	if (!nbits || start >= nbits)
+	if (unlikely(start >= nbits))
 		return nbits;
 
 	tmp = addr[start / BITS_PER_LONG] ^ invert;
@@ -151,7 +151,7 @@ static unsigned long _find_next_bit_le(const unsigned long *addr,
 {
 	unsigned long tmp;
 
-	if (!nbits || start >= nbits)
+	if (unlikely(start >= nbits))
 		return nbits;
 
 	tmp = addr[start / BITS_PER_LONG] ^ invert;
diff --git a/lib/glob.c b/lib/glob.c
index 500fc80d23e1..0ba3ea86b546 100644
--- a/lib/glob.c
+++ b/lib/glob.c
@@ -121,167 +121,3 @@ backtrack:
 	}
 }
 EXPORT_SYMBOL(glob_match);
-
-
-#ifdef CONFIG_GLOB_SELFTEST
-
-#include <linux/printk.h>
-#include <linux/moduleparam.h>
-
-/* Boot with "glob.verbose=1" to show successful tests, too */
-static bool verbose = false;
-module_param(verbose, bool, 0);
-
-struct glob_test {
-	char const *pat, *str;
-	bool expected;
-};
-
-static bool __pure __init test(char const *pat, char const *str, bool expected)
-{
-	bool match = glob_match(pat, str);
-	bool success = match == expected;
-
-	/* Can't get string literals into a particular section, so... */
-	static char const msg_error[] __initconst =
-		KERN_ERR "glob: \"%s\" vs. \"%s\": %s *** ERROR ***\n";
-	static char const msg_ok[] __initconst =
-		KERN_DEBUG "glob: \"%s\" vs. \"%s\": %s OK\n";
-	static char const mismatch[] __initconst = "mismatch";
-	char const *message;
-
-	if (!success)
-		message = msg_error;
-	else if (verbose)
-		message = msg_ok;
-	else
-		return success;
-
-	printk(message, pat, str, mismatch + 3*match);
-	return success;
-}
-
-/*
- * The tests are all jammed together in one array to make it simpler
- * to place that array in the .init.rodata section.  The obvious
- * "array of structures containing char *" has no way to force the
- * pointed-to strings to be in a particular section.
- *
- * Anyway, a test consists of:
- * 1. Expected glob_match result: '1' or '0'.
- * 2. Pattern to match: null-terminated string
- * 3. String to match against: null-terminated string
- *
- * The list of tests is terminated with a final '\0' instead of
- * a glob_match result character.
- */
-static char const glob_tests[] __initconst =
-	/* Some basic tests */
-	"1" "a\0" "a\0"
-	"0" "a\0" "b\0"
-	"0" "a\0" "aa\0"
-	"0" "a\0" "\0"
-	"1" "\0" "\0"
-	"0" "\0" "a\0"
-	/* Simple character class tests */
-	"1" "[a]\0" "a\0"
-	"0" "[a]\0" "b\0"
-	"0" "[!a]\0" "a\0"
-	"1" "[!a]\0" "b\0"
-	"1" "[ab]\0" "a\0"
-	"1" "[ab]\0" "b\0"
-	"0" "[ab]\0" "c\0"
-	"1" "[!ab]\0" "c\0"
-	"1" "[a-c]\0" "b\0"
-	"0" "[a-c]\0" "d\0"
-	/* Corner cases in character class parsing */
-	"1" "[a-c-e-g]\0" "-\0"
-	"0" "[a-c-e-g]\0" "d\0"
-	"1" "[a-c-e-g]\0" "f\0"
-	"1" "[]a-ceg-ik[]\0" "a\0"
-	"1" "[]a-ceg-ik[]\0" "]\0"
-	"1" "[]a-ceg-ik[]\0" "[\0"
-	"1" "[]a-ceg-ik[]\0" "h\0"
-	"0" "[]a-ceg-ik[]\0" "f\0"
-	"0" "[!]a-ceg-ik[]\0" "h\0"
-	"0" "[!]a-ceg-ik[]\0" "]\0"
-	"1" "[!]a-ceg-ik[]\0" "f\0"
-	/* Simple wild cards */
-	"1" "?\0" "a\0"
-	"0" "?\0" "aa\0"
-	"0" "??\0" "a\0"
-	"1" "?x?\0" "axb\0"
-	"0" "?x?\0" "abx\0"
-	"0" "?x?\0" "xab\0"
-	/* Asterisk wild cards (backtracking) */
-	"0" "*??\0" "a\0"
-	"1" "*??\0" "ab\0"
-	"1" "*??\0" "abc\0"
-	"1" "*??\0" "abcd\0"
-	"0" "??*\0" "a\0"
-	"1" "??*\0" "ab\0"
-	"1" "??*\0" "abc\0"
-	"1" "??*\0" "abcd\0"
-	"0" "?*?\0" "a\0"
-	"1" "?*?\0" "ab\0"
-	"1" "?*?\0" "abc\0"
-	"1" "?*?\0" "abcd\0"
-	"1" "*b\0" "b\0"
-	"1" "*b\0" "ab\0"
-	"0" "*b\0" "ba\0"
-	"1" "*b\0" "bb\0"
-	"1" "*b\0" "abb\0"
-	"1" "*b\0" "bab\0"
-	"1" "*bc\0" "abbc\0"
-	"1" "*bc\0" "bc\0"
-	"1" "*bc\0" "bbc\0"
-	"1" "*bc\0" "bcbc\0"
-	/* Multiple asterisks (complex backtracking) */
-	"1" "*ac*\0" "abacadaeafag\0"
-	"1" "*ac*ae*ag*\0" "abacadaeafag\0"
-	"1" "*a*b*[bc]*[ef]*g*\0" "abacadaeafag\0"
-	"0" "*a*b*[ef]*[cd]*g*\0" "abacadaeafag\0"
-	"1" "*abcd*\0" "abcabcabcabcdefg\0"
-	"1" "*ab*cd*\0" "abcabcabcabcdefg\0"
-	"1" "*abcd*abcdef*\0" "abcabcdabcdeabcdefg\0"
-	"0" "*abcd*\0" "abcabcabcabcefg\0"
-	"0" "*ab*cd*\0" "abcabcabcabcefg\0";
-
-static int __init glob_init(void)
-{
-	unsigned successes = 0;
-	unsigned n = 0;
-	char const *p = glob_tests;
-	static char const message[] __initconst =
-		KERN_INFO "glob: %u self-tests passed, %u failed\n";
-
-	/*
-	 * Tests are jammed together in a string.  The first byte is '1'
-	 * or '0' to indicate the expected outcome, or '\0' to indicate the
-	 * end of the tests.  Then come two null-terminated strings: the
-	 * pattern and the string to match it against.
-	 */
-	while (*p) {
-		bool expected = *p++ & 1;
-		char const *pat = p;
-
-		p += strlen(p) + 1;
-		successes += test(pat, p, expected);
-		p += strlen(p) + 1;
-		n++;
-	}
-
-	n -= successes;
-	printk(message, successes, n);
-
-	/* What's the errno for "kernel bug detected"?  Guess... */
-	return n ? -ECANCELED : 0;
-}
-
-/* We need a dummy exit function to allow unload */
-static void __exit glob_fini(void) { }
-
-module_init(glob_init);
-module_exit(glob_fini);
-
-#endif /* CONFIG_GLOB_SELFTEST */
diff --git a/lib/globtest.c b/lib/globtest.c
new file mode 100644
index 000000000000..d8e97d43b905
--- /dev/null
+++ b/lib/globtest.c
@@ -0,0 +1,167 @@
+/*
+ * Extracted fronm glob.c
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/glob.h>
+#include <linux/printk.h>
+
+/* Boot with "glob.verbose=1" to show successful tests, too */
+static bool verbose = false;
+module_param(verbose, bool, 0);
+
+struct glob_test {
+	char const *pat, *str;
+	bool expected;
+};
+
+static bool __pure __init test(char const *pat, char const *str, bool expected)
+{
+	bool match = glob_match(pat, str);
+	bool success = match == expected;
+
+	/* Can't get string literals into a particular section, so... */
+	static char const msg_error[] __initconst =
+		KERN_ERR "glob: \"%s\" vs. \"%s\": %s *** ERROR ***\n";
+	static char const msg_ok[] __initconst =
+		KERN_DEBUG "glob: \"%s\" vs. \"%s\": %s OK\n";
+	static char const mismatch[] __initconst = "mismatch";
+	char const *message;
+
+	if (!success)
+		message = msg_error;
+	else if (verbose)
+		message = msg_ok;
+	else
+		return success;
+
+	printk(message, pat, str, mismatch + 3*match);
+	return success;
+}
+
+/*
+ * The tests are all jammed together in one array to make it simpler
+ * to place that array in the .init.rodata section.  The obvious
+ * "array of structures containing char *" has no way to force the
+ * pointed-to strings to be in a particular section.
+ *
+ * Anyway, a test consists of:
+ * 1. Expected glob_match result: '1' or '0'.
+ * 2. Pattern to match: null-terminated string
+ * 3. String to match against: null-terminated string
+ *
+ * The list of tests is terminated with a final '\0' instead of
+ * a glob_match result character.
+ */
+static char const glob_tests[] __initconst =
+	/* Some basic tests */
+	"1" "a\0" "a\0"
+	"0" "a\0" "b\0"
+	"0" "a\0" "aa\0"
+	"0" "a\0" "\0"
+	"1" "\0" "\0"
+	"0" "\0" "a\0"
+	/* Simple character class tests */
+	"1" "[a]\0" "a\0"
+	"0" "[a]\0" "b\0"
+	"0" "[!a]\0" "a\0"
+	"1" "[!a]\0" "b\0"
+	"1" "[ab]\0" "a\0"
+	"1" "[ab]\0" "b\0"
+	"0" "[ab]\0" "c\0"
+	"1" "[!ab]\0" "c\0"
+	"1" "[a-c]\0" "b\0"
+	"0" "[a-c]\0" "d\0"
+	/* Corner cases in character class parsing */
+	"1" "[a-c-e-g]\0" "-\0"
+	"0" "[a-c-e-g]\0" "d\0"
+	"1" "[a-c-e-g]\0" "f\0"
+	"1" "[]a-ceg-ik[]\0" "a\0"
+	"1" "[]a-ceg-ik[]\0" "]\0"
+	"1" "[]a-ceg-ik[]\0" "[\0"
+	"1" "[]a-ceg-ik[]\0" "h\0"
+	"0" "[]a-ceg-ik[]\0" "f\0"
+	"0" "[!]a-ceg-ik[]\0" "h\0"
+	"0" "[!]a-ceg-ik[]\0" "]\0"
+	"1" "[!]a-ceg-ik[]\0" "f\0"
+	/* Simple wild cards */
+	"1" "?\0" "a\0"
+	"0" "?\0" "aa\0"
+	"0" "??\0" "a\0"
+	"1" "?x?\0" "axb\0"
+	"0" "?x?\0" "abx\0"
+	"0" "?x?\0" "xab\0"
+	/* Asterisk wild cards (backtracking) */
+	"0" "*??\0" "a\0"
+	"1" "*??\0" "ab\0"
+	"1" "*??\0" "abc\0"
+	"1" "*??\0" "abcd\0"
+	"0" "??*\0" "a\0"
+	"1" "??*\0" "ab\0"
+	"1" "??*\0" "abc\0"
+	"1" "??*\0" "abcd\0"
+	"0" "?*?\0" "a\0"
+	"1" "?*?\0" "ab\0"
+	"1" "?*?\0" "abc\0"
+	"1" "?*?\0" "abcd\0"
+	"1" "*b\0" "b\0"
+	"1" "*b\0" "ab\0"
+	"0" "*b\0" "ba\0"
+	"1" "*b\0" "bb\0"
+	"1" "*b\0" "abb\0"
+	"1" "*b\0" "bab\0"
+	"1" "*bc\0" "abbc\0"
+	"1" "*bc\0" "bc\0"
+	"1" "*bc\0" "bbc\0"
+	"1" "*bc\0" "bcbc\0"
+	/* Multiple asterisks (complex backtracking) */
+	"1" "*ac*\0" "abacadaeafag\0"
+	"1" "*ac*ae*ag*\0" "abacadaeafag\0"
+	"1" "*a*b*[bc]*[ef]*g*\0" "abacadaeafag\0"
+	"0" "*a*b*[ef]*[cd]*g*\0" "abacadaeafag\0"
+	"1" "*abcd*\0" "abcabcabcabcdefg\0"
+	"1" "*ab*cd*\0" "abcabcabcabcdefg\0"
+	"1" "*abcd*abcdef*\0" "abcabcdabcdeabcdefg\0"
+	"0" "*abcd*\0" "abcabcabcabcefg\0"
+	"0" "*ab*cd*\0" "abcabcabcabcefg\0";
+
+static int __init glob_init(void)
+{
+	unsigned successes = 0;
+	unsigned n = 0;
+	char const *p = glob_tests;
+	static char const message[] __initconst =
+		KERN_INFO "glob: %u self-tests passed, %u failed\n";
+
+	/*
+	 * Tests are jammed together in a string.  The first byte is '1'
+	 * or '0' to indicate the expected outcome, or '\0' to indicate the
+	 * end of the tests.  Then come two null-terminated strings: the
+	 * pattern and the string to match it against.
+	 */
+	while (*p) {
+		bool expected = *p++ & 1;
+		char const *pat = p;
+
+		p += strlen(p) + 1;
+		successes += test(pat, p, expected);
+		p += strlen(p) + 1;
+		n++;
+	}
+
+	n -= successes;
+	printk(message, successes, n);
+
+	/* What's the errno for "kernel bug detected"?  Guess... */
+	return n ? -ECANCELED : 0;
+}
+
+/* We need a dummy exit function to allow unload */
+static void __exit glob_fini(void) { }
+
+module_init(glob_init);
+module_exit(glob_fini);
+
+MODULE_DESCRIPTION("glob(7) matching tests");
+MODULE_LICENSE("Dual MIT/GPL");
diff --git a/lib/list_debug.c b/lib/list_debug.c
index 7f7bfa55eb6d..a34db8d27667 100644
--- a/lib/list_debug.c
+++ b/lib/list_debug.c
@@ -20,15 +20,16 @@
 bool __list_add_valid(struct list_head *new, struct list_head *prev,
 		      struct list_head *next)
 {
-	CHECK_DATA_CORRUPTION(next->prev != prev,
-		"list_add corruption. next->prev should be prev (%p), but was %p. (next=%p).\n",
-		prev, next->prev, next);
-	CHECK_DATA_CORRUPTION(prev->next != next,
-		"list_add corruption. prev->next should be next (%p), but was %p. (prev=%p).\n",
-		next, prev->next, prev);
-	CHECK_DATA_CORRUPTION(new == prev || new == next,
-		"list_add double add: new=%p, prev=%p, next=%p.\n",
-		new, prev, next);
+	if (CHECK_DATA_CORRUPTION(next->prev != prev,
+			"list_add corruption. next->prev should be prev (%p), but was %p. (next=%p).\n",
+			prev, next->prev, next) ||
+	    CHECK_DATA_CORRUPTION(prev->next != next,
+			"list_add corruption. prev->next should be next (%p), but was %p. (prev=%p).\n",
+			next, prev->next, prev) ||
+	    CHECK_DATA_CORRUPTION(new == prev || new == next,
+			"list_add double add: new=%p, prev=%p, next=%p.\n",
+			new, prev, next))
+		return false;
 
 	return true;
 }
@@ -41,18 +42,20 @@ bool __list_del_entry_valid(struct list_head *entry)
 	prev = entry->prev;
 	next = entry->next;
 
-	CHECK_DATA_CORRUPTION(next == LIST_POISON1,
-		"list_del corruption, %p->next is LIST_POISON1 (%p)\n",
-		entry, LIST_POISON1);
-	CHECK_DATA_CORRUPTION(prev == LIST_POISON2,
-		"list_del corruption, %p->prev is LIST_POISON2 (%p)\n",
-		entry, LIST_POISON2);
-	CHECK_DATA_CORRUPTION(prev->next != entry,
-		"list_del corruption. prev->next should be %p, but was %p\n",
-		entry, prev->next);
-	CHECK_DATA_CORRUPTION(next->prev != entry,
-		"list_del corruption. next->prev should be %p, but was %p\n",
-		entry, next->prev);
+	if (CHECK_DATA_CORRUPTION(next == LIST_POISON1,
+			"list_del corruption, %p->next is LIST_POISON1 (%p)\n",
+			entry, LIST_POISON1) ||
+	    CHECK_DATA_CORRUPTION(prev == LIST_POISON2,
+			"list_del corruption, %p->prev is LIST_POISON2 (%p)\n",
+			entry, LIST_POISON2) ||
+	    CHECK_DATA_CORRUPTION(prev->next != entry,
+			"list_del corruption. prev->next should be %p, but was %p\n",
+			entry, prev->next) ||
+	    CHECK_DATA_CORRUPTION(next->prev != entry,
+			"list_del corruption. next->prev should be %p, but was %p\n",
+			entry, next->prev))
+		return false;
+
 	return true;
 
 }
diff --git a/lib/lz4/Makefile b/lib/lz4/Makefile
index 8085d04e9309..f7b113271d13 100644
--- a/lib/lz4/Makefile
+++ b/lib/lz4/Makefile
@@ -1,3 +1,5 @@
+ccflags-y += -O3
+
 obj-$(CONFIG_LZ4_COMPRESS) += lz4_compress.o
 obj-$(CONFIG_LZ4HC_COMPRESS) += lz4hc_compress.o
 obj-$(CONFIG_LZ4_DECOMPRESS) += lz4_decompress.o
diff --git a/lib/lz4/lz4_compress.c b/lib/lz4/lz4_compress.c
index 28321d8f75ef..cc7b6d4cc7c7 100644
--- a/lib/lz4/lz4_compress.c
+++ b/lib/lz4/lz4_compress.c
@@ -1,19 +1,16 @@
 /*
  * LZ4 - Fast LZ compression algorithm
- * Copyright (C) 2011-2012, Yann Collet.
- * BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
-
+ * Copyright (C) 2011 - 2016, Yann Collet.
+ * BSD 2 - Clause License (http://www.opensource.org/licenses/bsd - license.php)
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
+ *	* Redistributions of source code must retain the above copyright
+ *	  notice, this list of conditions and the following disclaimer.
+ *	* Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
- *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
@@ -25,419 +22,919 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
  * You can contact the author at :
- * - LZ4 homepage : http://fastcompression.blogspot.com/p/lz4.html
- * - LZ4 source repository : http://code.google.com/p/lz4/
+ *	- LZ4 homepage : http://www.lz4.org
+ *	- LZ4 source repository : https://github.com/lz4/lz4
  *
- *  Changed for kernel use by:
- *  Chanho Min <chanho.min@lge.com>
+ *	Changed for kernel usage by:
+ *	Sven Schmidt <4sschmid@informatik.uni-hamburg.de>
  */
 
+/*-************************************
+ *	Dependencies
+ **************************************/
+#include <linux/lz4.h>
+#include "lz4defs.h"
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/lz4.h>
 #include <asm/unaligned.h>
-#include "lz4defs.h"
 
-/*
- * LZ4_compressCtx :
- * -----------------
- * Compress 'isize' bytes from 'source' into an output buffer 'dest' of
- * maximum size 'maxOutputSize'.  * If it cannot achieve it, compression
- * will stop, and result of the function will be zero.
- * return : the number of bytes written in buffer 'dest', or 0 if the
- * compression fails
- */
-static inline int lz4_compressctx(void *ctx,
-		const char *source,
-		char *dest,
-		int isize,
-		int maxoutputsize)
+static const int LZ4_minLength = (MFLIMIT + 1);
+static const int LZ4_64Klimit = ((64 * KB) + (MFLIMIT - 1));
+
+/*-******************************
+ *	Compression functions
+ ********************************/
+static FORCE_INLINE U32 LZ4_hash4(
+	U32 sequence,
+	tableType_t const tableType)
 {
-	HTYPE *hashtable = (HTYPE *)ctx;
-	const u8 *ip = (u8 *)source;
-#if LZ4_ARCH64
-	const BYTE * const base = ip;
+	if (tableType == byU16)
+		return ((sequence * 2654435761U)
+			>> ((MINMATCH * 8) - (LZ4_HASHLOG + 1)));
+	else
+		return ((sequence * 2654435761U)
+			>> ((MINMATCH * 8) - LZ4_HASHLOG));
+}
+
+static FORCE_INLINE U32 LZ4_hash5(
+	U64 sequence,
+	tableType_t const tableType)
+{
+	const U32 hashLog = (tableType == byU16)
+		? LZ4_HASHLOG + 1
+		: LZ4_HASHLOG;
+
+#if LZ4_LITTLE_ENDIAN
+	static const U64 prime5bytes = 889523592379ULL;
+
+	return (U32)(((sequence << 24) * prime5bytes) >> (64 - hashLog));
 #else
-	const int base = 0;
+	static const U64 prime8bytes = 11400714785074694791ULL;
+
+	return (U32)(((sequence >> 24) * prime8bytes) >> (64 - hashLog));
 #endif
-	const u8 *anchor = ip;
-	const u8 *const iend = ip + isize;
-	const u8 *const mflimit = iend - MFLIMIT;
-	#define MATCHLIMIT (iend - LASTLITERALS)
-
-	u8 *op = (u8 *) dest;
-	u8 *const oend = op + maxoutputsize;
-	int length;
-	const int skipstrength = SKIPSTRENGTH;
-	u32 forwardh;
-	int lastrun;
-
-	/* Init */
-	if (isize < MINLENGTH)
-		goto _last_literals;
+}
+
+static FORCE_INLINE U32 LZ4_hashPosition(
+	const void *p,
+	tableType_t const tableType)
+{
+#if LZ4_ARCH64
+	if (tableType == byU32)
+		return LZ4_hash5(LZ4_read_ARCH(p), tableType);
+#endif
+
+	return LZ4_hash4(LZ4_read32(p), tableType);
+}
+
+static void LZ4_putPositionOnHash(
+	const BYTE *p,
+	U32 h,
+	void *tableBase,
+	tableType_t const tableType,
+	const BYTE *srcBase)
+{
+	switch (tableType) {
+	case byPtr:
+	{
+		const BYTE **hashTable = (const BYTE **)tableBase;
+
+		hashTable[h] = p;
+		return;
+	}
+	case byU32:
+	{
+		U32 *hashTable = (U32 *) tableBase;
+
+		hashTable[h] = (U32)(p - srcBase);
+		return;
+	}
+	case byU16:
+	{
+		U16 *hashTable = (U16 *) tableBase;
+
+		hashTable[h] = (U16)(p - srcBase);
+		return;
+	}
+	}
+}
+
+static FORCE_INLINE void LZ4_putPosition(
+	const BYTE *p,
+	void *tableBase,
+	tableType_t tableType,
+	const BYTE *srcBase)
+{
+	U32 const h = LZ4_hashPosition(p, tableType);
+
+	LZ4_putPositionOnHash(p, h, tableBase, tableType, srcBase);
+}
+
+static const BYTE *LZ4_getPositionOnHash(
+	U32 h,
+	void *tableBase,
+	tableType_t tableType,
+	const BYTE *srcBase)
+{
+	if (tableType == byPtr) {
+		const BYTE **hashTable = (const BYTE **) tableBase;
+
+		return hashTable[h];
+	}
+
+	if (tableType == byU32) {
+		const U32 * const hashTable = (U32 *) tableBase;
+
+		return hashTable[h] + srcBase;
+	}
+
+	{
+		/* default, to ensure a return */
+		const U16 * const hashTable = (U16 *) tableBase;
+
+		return hashTable[h] + srcBase;
+	}
+}
+
+static FORCE_INLINE const BYTE *LZ4_getPosition(
+	const BYTE *p,
+	void *tableBase,
+	tableType_t tableType,
+	const BYTE *srcBase)
+{
+	U32 const h = LZ4_hashPosition(p, tableType);
+
+	return LZ4_getPositionOnHash(h, tableBase, tableType, srcBase);
+}
 
-	memset((void *)hashtable, 0, LZ4_MEM_COMPRESS);
+
+/*
+ * LZ4_compress_generic() :
+ * inlined, to ensure branches are decided at compilation time
+ */
+static FORCE_INLINE int LZ4_compress_generic(
+	LZ4_stream_t_internal * const dictPtr,
+	const char * const source,
+	char * const dest,
+	const int inputSize,
+	const int maxOutputSize,
+	const limitedOutput_directive outputLimited,
+	const tableType_t tableType,
+	const dict_directive dict,
+	const dictIssue_directive dictIssue,
+	const U32 acceleration)
+{
+	const BYTE *ip = (const BYTE *) source;
+	const BYTE *base;
+	const BYTE *lowLimit;
+	const BYTE * const lowRefLimit = ip - dictPtr->dictSize;
+	const BYTE * const dictionary = dictPtr->dictionary;
+	const BYTE * const dictEnd = dictionary + dictPtr->dictSize;
+	const size_t dictDelta = dictEnd - (const BYTE *)source;
+	const BYTE *anchor = (const BYTE *) source;
+	const BYTE * const iend = ip + inputSize;
+	const BYTE * const mflimit = iend - MFLIMIT;
+	const BYTE * const matchlimit = iend - LASTLITERALS;
+
+	BYTE *op = (BYTE *) dest;
+	BYTE * const olimit = op + maxOutputSize;
+
+	U32 forwardH;
+	size_t refDelta = 0;
+
+	/* Init conditions */
+	if ((U32)inputSize > (U32)LZ4_MAX_INPUT_SIZE) {
+		/* Unsupported inputSize, too large (or negative) */
+		return 0;
+	}
+
+	switch (dict) {
+	case noDict:
+	default:
+		base = (const BYTE *)source;
+		lowLimit = (const BYTE *)source;
+		break;
+	case withPrefix64k:
+		base = (const BYTE *)source - dictPtr->currentOffset;
+		lowLimit = (const BYTE *)source - dictPtr->dictSize;
+		break;
+	case usingExtDict:
+		base = (const BYTE *)source - dictPtr->currentOffset;
+		lowLimit = (const BYTE *)source;
+		break;
+	}
+
+	if ((tableType == byU16)
+		&& (inputSize >= LZ4_64Klimit)) {
+		/* Size too large (not within 64K limit) */
+		return 0;
+	}
+
+	if (inputSize < LZ4_minLength) {
+		/* Input too small, no compression (all literals) */
+		goto _last_literals;
+	}
 
 	/* First Byte */
-	hashtable[LZ4_HASH_VALUE(ip)] = ip - base;
+	LZ4_putPosition(ip, dictPtr->hashTable, tableType, base);
 	ip++;
-	forwardh = LZ4_HASH_VALUE(ip);
+	forwardH = LZ4_hashPosition(ip, tableType);
 
 	/* Main Loop */
-	for (;;) {
-		int findmatchattempts = (1U << skipstrength) + 3;
-		const u8 *forwardip = ip;
-		const u8 *ref;
-		u8 *token;
+	for ( ; ; ) {
+		const BYTE *match;
+		BYTE *token;
 
 		/* Find a match */
-		do {
-			u32 h = forwardh;
-			int step = findmatchattempts++ >> skipstrength;
-			ip = forwardip;
-			forwardip = ip + step;
-
-			if (unlikely(forwardip > mflimit))
-				goto _last_literals;
-
-			forwardh = LZ4_HASH_VALUE(forwardip);
-			ref = base + hashtable[h];
-			hashtable[h] = ip - base;
-		} while ((ref < ip - MAX_DISTANCE) || (A32(ref) != A32(ip)));
+		{
+			const BYTE *forwardIp = ip;
+			unsigned int step = 1;
+			unsigned int searchMatchNb = acceleration << LZ4_SKIPTRIGGER;
+
+			do {
+				U32 const h = forwardH;
+
+				ip = forwardIp;
+				forwardIp += step;
+				step = (searchMatchNb++ >> LZ4_SKIPTRIGGER);
+
+				if (unlikely(forwardIp > mflimit))
+					goto _last_literals;
+
+				match = LZ4_getPositionOnHash(h,
+					dictPtr->hashTable,
+					tableType, base);
+
+				if (dict == usingExtDict) {
+					if (match < (const BYTE *)source) {
+						refDelta = dictDelta;
+						lowLimit = dictionary;
+					} else {
+						refDelta = 0;
+						lowLimit = (const BYTE *)source;
+				}	 }
+
+				forwardH = LZ4_hashPosition(forwardIp,
+					tableType);
+
+				LZ4_putPositionOnHash(ip, h, dictPtr->hashTable,
+					tableType, base);
+			} while (((dictIssue == dictSmall)
+					? (match < lowRefLimit)
+					: 0)
+				|| ((tableType == byU16)
+					? 0
+					: (match + MAX_DISTANCE < ip))
+				|| (LZ4_read32(match + refDelta)
+					!= LZ4_read32(ip)));
+		}
 
 		/* Catch up */
-		while ((ip > anchor) && (ref > (u8 *)source) &&
-			unlikely(ip[-1] == ref[-1])) {
+		while (((ip > anchor) & (match + refDelta > lowLimit))
+				&& (unlikely(ip[-1] == match[refDelta - 1]))) {
 			ip--;
-			ref--;
+			match--;
 		}
 
-		/* Encode Literal length */
-		length = (int)(ip - anchor);
-		token = op++;
-		/* check output limit */
-		if (unlikely(op + length + (2 + 1 + LASTLITERALS) +
-			(length >> 8) > oend))
-			return 0;
+		/* Encode Literals */
+		{
+			unsigned const int litLength = (unsigned int)(ip - anchor);
 
-		if (length >= (int)RUN_MASK) {
-			int len;
-			*token = (RUN_MASK << ML_BITS);
-			len = length - RUN_MASK;
-			for (; len > 254 ; len -= 255)
-				*op++ = 255;
-			*op++ = (u8)len;
-		} else
-			*token = (length << ML_BITS);
+			token = op++;
+
+			if ((outputLimited) &&
+				/* Check output buffer overflow */
+				(unlikely(op + litLength +
+					(2 + 1 + LASTLITERALS) +
+					(litLength / 255) > olimit)))
+				return 0;
+
+			if (litLength >= RUN_MASK) {
+				int len = (int)litLength - RUN_MASK;
+
+				*token = (RUN_MASK << ML_BITS);
+
+				for (; len >= 255; len -= 255)
+					*op++ = 255;
+				*op++ = (BYTE)len;
+			} else
+				*token = (BYTE)(litLength << ML_BITS);
+
+			/* Copy Literals */
+			LZ4_wildCopy(op, anchor, op + litLength);
+			op += litLength;
+		}
 
-		/* Copy Literals */
-		LZ4_BLINDCOPY(anchor, op, length);
 _next_match:
 		/* Encode Offset */
-		LZ4_WRITE_LITTLEENDIAN_16(op, (u16)(ip - ref));
+		LZ4_writeLE16(op, (U16)(ip - match));
+		op += 2;
 
-		/* Start Counting */
-		ip += MINMATCH;
-		/* MinMatch verified */
-		ref += MINMATCH;
-		anchor = ip;
-		while (likely(ip < MATCHLIMIT - (STEPSIZE - 1))) {
-			#if LZ4_ARCH64
-			u64 diff = A64(ref) ^ A64(ip);
-			#else
-			u32 diff = A32(ref) ^ A32(ip);
-			#endif
-			if (!diff) {
-				ip += STEPSIZE;
-				ref += STEPSIZE;
-				continue;
-			}
-			ip += LZ4_NBCOMMONBYTES(diff);
-			goto _endcount;
-		}
-		#if LZ4_ARCH64
-		if ((ip < (MATCHLIMIT - 3)) && (A32(ref) == A32(ip))) {
-			ip += 4;
-			ref += 4;
-		}
-		#endif
-		if ((ip < (MATCHLIMIT - 1)) && (A16(ref) == A16(ip))) {
-			ip += 2;
-			ref += 2;
-		}
-		if ((ip < MATCHLIMIT) && (*ref == *ip))
-			ip++;
-_endcount:
 		/* Encode MatchLength */
-		length = (int)(ip - anchor);
-		/* Check output limit */
-		if (unlikely(op + (1 + LASTLITERALS) + (length >> 8) > oend))
-			return 0;
-		if (length >= (int)ML_MASK) {
-			*token += ML_MASK;
-			length -= ML_MASK;
-			for (; length > 509 ; length -= 510) {
-				*op++ = 255;
-				*op++ = 255;
-			}
-			if (length > 254) {
-				length -= 255;
-				*op++ = 255;
+		{
+			unsigned int matchCode;
+
+			if ((dict == usingExtDict)
+				&& (lowLimit == dictionary)) {
+				const BYTE *limit;
+
+				match += refDelta;
+				limit = ip + (dictEnd - match);
+
+				if (limit > matchlimit)
+					limit = matchlimit;
+
+				matchCode = LZ4_count(ip + MINMATCH,
+					match + MINMATCH, limit);
+
+				ip += MINMATCH + matchCode;
+
+				if (ip == limit) {
+					unsigned const int more = LZ4_count(ip,
+						(const BYTE *)source,
+						matchlimit);
+
+					matchCode += more;
+					ip += more;
+				}
+			} else {
+				matchCode = LZ4_count(ip + MINMATCH,
+					match + MINMATCH, matchlimit);
+				ip += MINMATCH + matchCode;
 			}
-			*op++ = (u8)length;
-		} else
-			*token += length;
+
+			if (outputLimited &&
+				/* Check output buffer overflow */
+				(unlikely(op +
+					(1 + LASTLITERALS) +
+					(matchCode >> 8) > olimit)))
+				return 0;
+
+			if (matchCode >= ML_MASK) {
+				*token += ML_MASK;
+				matchCode -= ML_MASK;
+				LZ4_write32(op, 0xFFFFFFFF);
+
+				while (matchCode >= 4 * 255) {
+					op += 4;
+					LZ4_write32(op, 0xFFFFFFFF);
+					matchCode -= 4 * 255;
+				}
+
+				op += matchCode / 255;
+				*op++ = (BYTE)(matchCode % 255);
+			} else
+				*token += (BYTE)(matchCode);
+		}
+
+		anchor = ip;
 
 		/* Test end of chunk */
-		if (ip > mflimit) {
-			anchor = ip;
+		if (ip > mflimit)
 			break;
-		}
 
 		/* Fill table */
-		hashtable[LZ4_HASH_VALUE(ip-2)] = ip - 2 - base;
+		LZ4_putPosition(ip - 2, dictPtr->hashTable, tableType, base);
 
 		/* Test next position */
-		ref = base + hashtable[LZ4_HASH_VALUE(ip)];
-		hashtable[LZ4_HASH_VALUE(ip)] = ip - base;
-		if ((ref > ip - (MAX_DISTANCE + 1)) && (A32(ref) == A32(ip))) {
+		match = LZ4_getPosition(ip, dictPtr->hashTable,
+			tableType, base);
+
+		if (dict == usingExtDict) {
+			if (match < (const BYTE *)source) {
+				refDelta = dictDelta;
+				lowLimit = dictionary;
+			} else {
+				refDelta = 0;
+				lowLimit = (const BYTE *)source;
+			}
+		}
+
+		LZ4_putPosition(ip, dictPtr->hashTable, tableType, base);
+
+		if (((dictIssue == dictSmall) ? (match >= lowRefLimit) : 1)
+			&& (match + MAX_DISTANCE >= ip)
+			&& (LZ4_read32(match + refDelta) == LZ4_read32(ip))) {
 			token = op++;
 			*token = 0;
 			goto _next_match;
 		}
 
 		/* Prepare next loop */
-		anchor = ip++;
-		forwardh = LZ4_HASH_VALUE(ip);
+		forwardH = LZ4_hashPosition(++ip, tableType);
 	}
 
 _last_literals:
 	/* Encode Last Literals */
-	lastrun = (int)(iend - anchor);
-	if (((char *)op - dest) + lastrun + 1
-		+ ((lastrun + 255 - RUN_MASK) / 255) > (u32)maxoutputsize)
-		return 0;
+	{
+		size_t const lastRun = (size_t)(iend - anchor);
+
+		if ((outputLimited) &&
+			/* Check output buffer overflow */
+			((op - (BYTE *)dest) + lastRun + 1 +
+			((lastRun + 255 - RUN_MASK) / 255) > (U32)maxOutputSize))
+			return 0;
+
+		if (lastRun >= RUN_MASK) {
+			size_t accumulator = lastRun - RUN_MASK;
+			*op++ = RUN_MASK << ML_BITS;
+			for (; accumulator >= 255; accumulator -= 255)
+				*op++ = 255;
+			*op++ = (BYTE) accumulator;
+		} else {
+			*op++ = (BYTE)(lastRun << ML_BITS);
+		}
 
-	if (lastrun >= (int)RUN_MASK) {
-		*op++ = (RUN_MASK << ML_BITS);
-		lastrun -= RUN_MASK;
-		for (; lastrun > 254 ; lastrun -= 255)
-			*op++ = 255;
-		*op++ = (u8)lastrun;
-	} else
-		*op++ = (lastrun << ML_BITS);
-	memcpy(op, anchor, iend - anchor);
-	op += iend - anchor;
+		memcpy(op, anchor, lastRun);
+
+		op += lastRun;
+	}
 
 	/* End */
-	return (int)(((char *)op) - dest);
+	return (int) (((char *)op) - dest);
 }
 
-static inline int lz4_compress64kctx(void *ctx,
-		const char *source,
-		char *dest,
-		int isize,
-		int maxoutputsize)
+static int LZ4_compress_fast_extState(
+	void *state,
+	const char *source,
+	char *dest,
+	int inputSize,
+	int maxOutputSize,
+	int acceleration)
 {
-	u16 *hashtable = (u16 *)ctx;
-	const u8 *ip = (u8 *) source;
-	const u8 *anchor = ip;
-	const u8 *const base = ip;
-	const u8 *const iend = ip + isize;
-	const u8 *const mflimit = iend - MFLIMIT;
-	#define MATCHLIMIT (iend - LASTLITERALS)
-
-	u8 *op = (u8 *) dest;
-	u8 *const oend = op + maxoutputsize;
-	int len, length;
-	const int skipstrength = SKIPSTRENGTH;
-	u32 forwardh;
-	int lastrun;
-
-	/* Init */
-	if (isize < MINLENGTH)
-		goto _last_literals;
+	LZ4_stream_t_internal *ctx = &((LZ4_stream_t *)state)->internal_donotuse;
+#if LZ4_ARCH64
+	const tableType_t tableType = byU32;
+#else
+	const tableType_t tableType = byPtr;
+#endif
+
+	LZ4_resetStream((LZ4_stream_t *)state);
+
+	if (acceleration < 1)
+		acceleration = LZ4_ACCELERATION_DEFAULT;
+
+	if (maxOutputSize >= LZ4_COMPRESSBOUND(inputSize)) {
+		if (inputSize < LZ4_64Klimit)
+			return LZ4_compress_generic(ctx, source,
+				dest, inputSize, 0,
+				noLimit, byU16, noDict,
+				noDictIssue, acceleration);
+		else
+			return LZ4_compress_generic(ctx, source,
+				dest, inputSize, 0,
+				noLimit, tableType, noDict,
+				noDictIssue, acceleration);
+	} else {
+		if (inputSize < LZ4_64Klimit)
+			return LZ4_compress_generic(ctx, source,
+				dest, inputSize,
+				maxOutputSize, limitedOutput, byU16, noDict,
+				noDictIssue, acceleration);
+		else
+			return LZ4_compress_generic(ctx, source,
+				dest, inputSize,
+				maxOutputSize, limitedOutput, tableType, noDict,
+				noDictIssue, acceleration);
+	}
+}
+
+int LZ4_compress_fast(const char *source, char *dest, int inputSize,
+	int maxOutputSize, int acceleration, void *wrkmem)
+{
+	return LZ4_compress_fast_extState(wrkmem, source, dest, inputSize,
+		maxOutputSize, acceleration);
+}
+EXPORT_SYMBOL(LZ4_compress_fast);
 
-	memset((void *)hashtable, 0, LZ4_MEM_COMPRESS);
+int LZ4_compress_default(const char *source, char *dest, int inputSize,
+	int maxOutputSize, void *wrkmem)
+{
+	return LZ4_compress_fast(source, dest, inputSize,
+		maxOutputSize, LZ4_ACCELERATION_DEFAULT, wrkmem);
+}
+EXPORT_SYMBOL(LZ4_compress_default);
+
+/*-******************************
+ *	*_destSize() variant
+ ********************************/
+static int LZ4_compress_destSize_generic(
+	LZ4_stream_t_internal * const ctx,
+	const char * const src,
+	char * const dst,
+	int * const srcSizePtr,
+	const int targetDstSize,
+	const tableType_t tableType)
+{
+	const BYTE *ip = (const BYTE *) src;
+	const BYTE *base = (const BYTE *) src;
+	const BYTE *lowLimit = (const BYTE *) src;
+	const BYTE *anchor = ip;
+	const BYTE * const iend = ip + *srcSizePtr;
+	const BYTE * const mflimit = iend - MFLIMIT;
+	const BYTE * const matchlimit = iend - LASTLITERALS;
+
+	BYTE *op = (BYTE *) dst;
+	BYTE * const oend = op + targetDstSize;
+	BYTE * const oMaxLit = op + targetDstSize - 2 /* offset */
+		- 8 /* because 8 + MINMATCH == MFLIMIT */ - 1 /* token */;
+	BYTE * const oMaxMatch = op + targetDstSize
+		- (LASTLITERALS + 1 /* token */);
+	BYTE * const oMaxSeq = oMaxLit - 1 /* token */;
+
+	U32 forwardH;
+
+	/* Init conditions */
+	/* Impossible to store anything */
+	if (targetDstSize < 1)
+		return 0;
+	/* Unsupported input size, too large (or negative) */
+	if ((U32)*srcSizePtr > (U32)LZ4_MAX_INPUT_SIZE)
+		return 0;
+	/* Size too large (not within 64K limit) */
+	if ((tableType == byU16) && (*srcSizePtr >= LZ4_64Klimit))
+		return 0;
+	/* Input too small, no compression (all literals) */
+	if (*srcSizePtr < LZ4_minLength)
+		goto _last_literals;
 
 	/* First Byte */
-	ip++;
-	forwardh = LZ4_HASH64K_VALUE(ip);
+	*srcSizePtr = 0;
+	LZ4_putPosition(ip, ctx->hashTable, tableType, base);
+	ip++; forwardH = LZ4_hashPosition(ip, tableType);
 
 	/* Main Loop */
-	for (;;) {
-		int findmatchattempts = (1U << skipstrength) + 3;
-		const u8 *forwardip = ip;
-		const u8 *ref;
-		u8 *token;
+	for ( ; ; ) {
+		const BYTE *match;
+		BYTE *token;
 
 		/* Find a match */
-		do {
-			u32 h = forwardh;
-			int step = findmatchattempts++ >> skipstrength;
-			ip = forwardip;
-			forwardip = ip + step;
-
-			if (forwardip > mflimit)
-				goto _last_literals;
-
-			forwardh = LZ4_HASH64K_VALUE(forwardip);
-			ref = base + hashtable[h];
-			hashtable[h] = (u16)(ip - base);
-		} while (A32(ref) != A32(ip));
+		{
+			const BYTE *forwardIp = ip;
+			unsigned int step = 1;
+			unsigned int searchMatchNb = 1 << LZ4_SKIPTRIGGER;
+
+			do {
+				U32 h = forwardH;
+
+				ip = forwardIp;
+				forwardIp += step;
+				step = (searchMatchNb++ >> LZ4_SKIPTRIGGER);
+
+				if (unlikely(forwardIp > mflimit))
+					goto _last_literals;
+
+				match = LZ4_getPositionOnHash(h, ctx->hashTable,
+					tableType, base);
+				forwardH = LZ4_hashPosition(forwardIp,
+					tableType);
+				LZ4_putPositionOnHash(ip, h,
+					ctx->hashTable, tableType,
+					base);
+
+			} while (((tableType == byU16)
+				? 0
+				: (match + MAX_DISTANCE < ip))
+				|| (LZ4_read32(match) != LZ4_read32(ip)));
+		}
 
 		/* Catch up */
-		while ((ip > anchor) && (ref > (u8 *)source)
-			&& (ip[-1] == ref[-1])) {
+		while ((ip > anchor)
+			&& (match > lowLimit)
+			&& (unlikely(ip[-1] == match[-1]))) {
 			ip--;
-			ref--;
+			match--;
 		}
 
 		/* Encode Literal length */
-		length = (int)(ip - anchor);
-		token = op++;
-		/* Check output limit */
-		if (unlikely(op + length + (2 + 1 + LASTLITERALS)
-			+ (length >> 8) > oend))
-			return 0;
-		if (length >= (int)RUN_MASK) {
-			*token = (RUN_MASK << ML_BITS);
-			len = length - RUN_MASK;
-			for (; len > 254 ; len -= 255)
-				*op++ = 255;
-			*op++ = (u8)len;
-		} else
-			*token = (length << ML_BITS);
+		{
+			unsigned int litLength = (unsigned int)(ip - anchor);
 
-		/* Copy Literals */
-		LZ4_BLINDCOPY(anchor, op, length);
+			token = op++;
+			if (op + ((litLength + 240) / 255)
+				+ litLength > oMaxLit) {
+				/* Not enough space for a last match */
+				op--;
+				goto _last_literals;
+			}
+			if (litLength >= RUN_MASK) {
+				unsigned int len = litLength - RUN_MASK;
+				*token = (RUN_MASK<<ML_BITS);
+				for (; len >= 255; len -= 255)
+					*op++ = 255;
+				*op++ = (BYTE)len;
+			} else
+				*token = (BYTE)(litLength << ML_BITS);
+
+			/* Copy Literals */
+			LZ4_wildCopy(op, anchor, op + litLength);
+			op += litLength;
+		}
 
 _next_match:
 		/* Encode Offset */
-		LZ4_WRITE_LITTLEENDIAN_16(op, (u16)(ip - ref));
+		LZ4_writeLE16(op, (U16)(ip - match)); op += 2;
 
-		/* Start Counting */
-		ip += MINMATCH;
-		/* MinMatch verified */
-		ref += MINMATCH;
-		anchor = ip;
+		/* Encode MatchLength */
+		{
+			size_t matchLength = LZ4_count(ip + MINMATCH,
+			match + MINMATCH, matchlimit);
 
-		while (ip < MATCHLIMIT - (STEPSIZE - 1)) {
-			#if LZ4_ARCH64
-			u64 diff = A64(ref) ^ A64(ip);
-			#else
-			u32 diff = A32(ref) ^ A32(ip);
-			#endif
-
-			if (!diff) {
-				ip += STEPSIZE;
-				ref += STEPSIZE;
-				continue;
+			if (op + ((matchLength + 240)/255) > oMaxMatch) {
+				/* Match description too long : reduce it */
+				matchLength = (15 - 1) + (oMaxMatch - op) * 255;
 			}
-			ip += LZ4_NBCOMMONBYTES(diff);
-			goto _endcount;
-		}
-		#if LZ4_ARCH64
-		if ((ip < (MATCHLIMIT - 3)) && (A32(ref) == A32(ip))) {
-			ip += 4;
-			ref += 4;
+			ip += MINMATCH + matchLength;
+
+			if (matchLength >= ML_MASK) {
+				*token += ML_MASK;
+				matchLength -= ML_MASK;
+				while (matchLength >= 255) {
+					matchLength -= 255;
+					*op++ = 255;
+				}
+				*op++ = (BYTE)matchLength;
+			} else
+				*token += (BYTE)(matchLength);
 		}
-		#endif
-		if ((ip < (MATCHLIMIT - 1)) && (A16(ref) == A16(ip))) {
-			ip += 2;
-			ref += 2;
-		}
-		if ((ip < MATCHLIMIT) && (*ref == *ip))
-			ip++;
-_endcount:
 
-		/* Encode MatchLength */
-		len = (int)(ip - anchor);
-		/* Check output limit */
-		if (unlikely(op + (1 + LASTLITERALS) + (len >> 8) > oend))
-			return 0;
-		if (len >= (int)ML_MASK) {
-			*token += ML_MASK;
-			len -= ML_MASK;
-			for (; len > 509 ; len -= 510) {
-				*op++ = 255;
-				*op++ = 255;
-			}
-			if (len > 254) {
-				len -= 255;
-				*op++ = 255;
-			}
-			*op++ = (u8)len;
-		} else
-			*token += len;
+		anchor = ip;
 
-		/* Test end of chunk */
-		if (ip > mflimit) {
-			anchor = ip;
+		/* Test end of block */
+		if (ip > mflimit)
+			break;
+		if (op > oMaxSeq)
 			break;
-		}
 
 		/* Fill table */
-		hashtable[LZ4_HASH64K_VALUE(ip-2)] = (u16)(ip - 2 - base);
+		LZ4_putPosition(ip - 2, ctx->hashTable, tableType, base);
 
 		/* Test next position */
-		ref = base + hashtable[LZ4_HASH64K_VALUE(ip)];
-		hashtable[LZ4_HASH64K_VALUE(ip)] = (u16)(ip - base);
-		if (A32(ref) == A32(ip)) {
-			token = op++;
-			*token = 0;
+		match = LZ4_getPosition(ip, ctx->hashTable, tableType, base);
+		LZ4_putPosition(ip, ctx->hashTable, tableType, base);
+
+		if ((match + MAX_DISTANCE >= ip)
+			&& (LZ4_read32(match) == LZ4_read32(ip))) {
+			token = op++; *token = 0;
 			goto _next_match;
 		}
 
 		/* Prepare next loop */
-		anchor = ip++;
-		forwardh = LZ4_HASH64K_VALUE(ip);
+		forwardH = LZ4_hashPosition(++ip, tableType);
 	}
 
 _last_literals:
 	/* Encode Last Literals */
-	lastrun = (int)(iend - anchor);
-	if (op + lastrun + 1 + (lastrun - RUN_MASK + 255) / 255 > oend)
-		return 0;
-	if (lastrun >= (int)RUN_MASK) {
-		*op++ = (RUN_MASK << ML_BITS);
-		lastrun -= RUN_MASK;
-		for (; lastrun > 254 ; lastrun -= 255)
-			*op++ = 255;
-		*op++ = (u8)lastrun;
-	} else
-		*op++ = (lastrun << ML_BITS);
-	memcpy(op, anchor, iend - anchor);
-	op += iend - anchor;
+	{
+		size_t lastRunSize = (size_t)(iend - anchor);
+
+		if (op + 1 /* token */
+			+ ((lastRunSize + 240) / 255) /* litLength */
+			+ lastRunSize /* literals */ > oend) {
+			/* adapt lastRunSize to fill 'dst' */
+			lastRunSize	= (oend - op) - 1;
+			lastRunSize -= (lastRunSize + 240) / 255;
+		}
+		ip = anchor + lastRunSize;
+
+		if (lastRunSize >= RUN_MASK) {
+			size_t accumulator = lastRunSize - RUN_MASK;
+
+			*op++ = RUN_MASK << ML_BITS;
+			for (; accumulator >= 255; accumulator -= 255)
+				*op++ = 255;
+			*op++ = (BYTE) accumulator;
+		} else {
+			*op++ = (BYTE)(lastRunSize<<ML_BITS);
+		}
+		memcpy(op, anchor, lastRunSize);
+		op += lastRunSize;
+	}
+
 	/* End */
-	return (int)(((char *)op) - dest);
+	*srcSizePtr = (int) (((const char *)ip) - src);
+	return (int) (((char *)op) - dst);
 }
 
-int lz4_compress(const unsigned char *src, size_t src_len,
-			unsigned char *dst, size_t *dst_len, void *wrkmem)
+static int LZ4_compress_destSize_extState(
+	LZ4_stream_t *state,
+	const char *src,
+	char *dst,
+	int *srcSizePtr,
+	int targetDstSize)
 {
-	int ret = -1;
-	int out_len = 0;
+#if LZ4_ARCH64
+	const tableType_t tableType = byU32;
+#else
+	const tableType_t tableType = byPtr;
+#endif
 
-	if (src_len < LZ4_64KLIMIT)
-		out_len = lz4_compress64kctx(wrkmem, src, dst, src_len,
-				lz4_compressbound(src_len));
-	else
-		out_len = lz4_compressctx(wrkmem, src, dst, src_len,
-				lz4_compressbound(src_len));
+	LZ4_resetStream(state);
+
+	if (targetDstSize >= LZ4_COMPRESSBOUND(*srcSizePtr)) {
+		/* compression success is guaranteed */
+		return LZ4_compress_fast_extState(
+			state, src, dst, *srcSizePtr,
+			targetDstSize, 1);
+	} else {
+		if (*srcSizePtr < LZ4_64Klimit)
+			return LZ4_compress_destSize_generic(
+				&state->internal_donotuse,
+				src, dst, srcSizePtr,
+				targetDstSize, byU16);
+		else
+			return LZ4_compress_destSize_generic(
+				&state->internal_donotuse,
+				src, dst, srcSizePtr,
+				targetDstSize, tableType);
+	}
+}
+
+
+int LZ4_compress_destSize(
+	const char *src,
+	char *dst,
+	int *srcSizePtr,
+	int targetDstSize,
+	void *wrkmem)
+{
+	return LZ4_compress_destSize_extState(wrkmem, src, dst, srcSizePtr,
+		targetDstSize);
+}
+EXPORT_SYMBOL(LZ4_compress_destSize);
+
+/*-******************************
+ *	Streaming functions
+ ********************************/
+void LZ4_resetStream(LZ4_stream_t *LZ4_stream)
+{
+	memset(LZ4_stream, 0, sizeof(LZ4_stream_t));
+}
+
+int LZ4_loadDict(LZ4_stream_t *LZ4_dict,
+	const char *dictionary, int dictSize)
+{
+	LZ4_stream_t_internal *dict = &LZ4_dict->internal_donotuse;
+	const BYTE *p = (const BYTE *)dictionary;
+	const BYTE * const dictEnd = p + dictSize;
+	const BYTE *base;
+
+	if ((dict->initCheck)
+		|| (dict->currentOffset > 1 * GB)) {
+		/* Uninitialized structure, or reuse overflow */
+		LZ4_resetStream(LZ4_dict);
+	}
+
+	if (dictSize < (int)HASH_UNIT) {
+		dict->dictionary = NULL;
+		dict->dictSize = 0;
+		return 0;
+	}
+
+	if ((dictEnd - p) > 64 * KB)
+		p = dictEnd - 64 * KB;
+	dict->currentOffset += 64 * KB;
+	base = p - dict->currentOffset;
+	dict->dictionary = p;
+	dict->dictSize = (U32)(dictEnd - p);
+	dict->currentOffset += dict->dictSize;
+
+	while (p <= dictEnd - HASH_UNIT) {
+		LZ4_putPosition(p, dict->hashTable, byU32, base);
+		p += 3;
+	}
+
+	return dict->dictSize;
+}
+EXPORT_SYMBOL(LZ4_loadDict);
+
+static void LZ4_renormDictT(LZ4_stream_t_internal *LZ4_dict,
+	const BYTE *src)
+{
+	if ((LZ4_dict->currentOffset > 0x80000000) ||
+		((uptrval)LZ4_dict->currentOffset > (uptrval)src)) {
+		/* address space overflow */
+		/* rescale hash table */
+		U32 const delta = LZ4_dict->currentOffset - 64 * KB;
+		const BYTE *dictEnd = LZ4_dict->dictionary + LZ4_dict->dictSize;
+		int i;
+
+		for (i = 0; i < LZ4_HASH_SIZE_U32; i++) {
+			if (LZ4_dict->hashTable[i] < delta)
+				LZ4_dict->hashTable[i] = 0;
+			else
+				LZ4_dict->hashTable[i] -= delta;
+		}
+		LZ4_dict->currentOffset = 64 * KB;
+		if (LZ4_dict->dictSize > 64 * KB)
+			LZ4_dict->dictSize = 64 * KB;
+		LZ4_dict->dictionary = dictEnd - LZ4_dict->dictSize;
+	}
+}
+
+int LZ4_saveDict(LZ4_stream_t *LZ4_dict, char *safeBuffer, int dictSize)
+{
+	LZ4_stream_t_internal * const dict = &LZ4_dict->internal_donotuse;
+	const BYTE * const previousDictEnd = dict->dictionary + dict->dictSize;
+
+	if ((U32)dictSize > 64 * KB) {
+		/* useless to define a dictionary > 64 * KB */
+		dictSize = 64 * KB;
+	}
+	if ((U32)dictSize > dict->dictSize)
+		dictSize = dict->dictSize;
+
+	memmove(safeBuffer, previousDictEnd - dictSize, dictSize);
+
+	dict->dictionary = (const BYTE *)safeBuffer;
+	dict->dictSize = (U32)dictSize;
+
+	return dictSize;
+}
+EXPORT_SYMBOL(LZ4_saveDict);
+
+int LZ4_compress_fast_continue(LZ4_stream_t *LZ4_stream, const char *source,
+	char *dest, int inputSize, int maxOutputSize, int acceleration)
+{
+	LZ4_stream_t_internal *streamPtr = &LZ4_stream->internal_donotuse;
+	const BYTE * const dictEnd = streamPtr->dictionary
+		+ streamPtr->dictSize;
 
-	if (out_len < 0)
-		goto exit;
+	const BYTE *smallest = (const BYTE *) source;
 
-	*dst_len = out_len;
+	if (streamPtr->initCheck) {
+		/* Uninitialized structure detected */
+		return 0;
+	}
+
+	if ((streamPtr->dictSize > 0) && (smallest > dictEnd))
+		smallest = dictEnd;
+
+	LZ4_renormDictT(streamPtr, smallest);
+
+	if (acceleration < 1)
+		acceleration = LZ4_ACCELERATION_DEFAULT;
+
+	/* Check overlapping input/dictionary space */
+	{
+		const BYTE *sourceEnd = (const BYTE *) source + inputSize;
+
+		if ((sourceEnd > streamPtr->dictionary)
+			&& (sourceEnd < dictEnd)) {
+			streamPtr->dictSize = (U32)(dictEnd - sourceEnd);
+			if (streamPtr->dictSize > 64 * KB)
+				streamPtr->dictSize = 64 * KB;
+			if (streamPtr->dictSize < 4)
+				streamPtr->dictSize = 0;
+			streamPtr->dictionary = dictEnd - streamPtr->dictSize;
+		}
+	}
 
-	return 0;
-exit:
-	return ret;
+	/* prefix mode : source data follows dictionary */
+	if (dictEnd == (const BYTE *)source) {
+		int result;
+
+		if ((streamPtr->dictSize < 64 * KB) &&
+			(streamPtr->dictSize < streamPtr->currentOffset)) {
+			result = LZ4_compress_generic(
+				streamPtr, source, dest, inputSize,
+				maxOutputSize, limitedOutput, byU32,
+				withPrefix64k, dictSmall, acceleration);
+		} else {
+			result = LZ4_compress_generic(
+				streamPtr, source, dest, inputSize,
+				maxOutputSize, limitedOutput, byU32,
+				withPrefix64k, noDictIssue, acceleration);
+		}
+		streamPtr->dictSize += (U32)inputSize;
+		streamPtr->currentOffset += (U32)inputSize;
+		return result;
+	}
+
+	/* external dictionary mode */
+	{
+		int result;
+
+		if ((streamPtr->dictSize < 64 * KB) &&
+			(streamPtr->dictSize < streamPtr->currentOffset)) {
+			result = LZ4_compress_generic(
+				streamPtr, source, dest, inputSize,
+				maxOutputSize, limitedOutput, byU32,
+				usingExtDict, dictSmall, acceleration);
+		} else {
+			result = LZ4_compress_generic(
+				streamPtr, source, dest, inputSize,
+				maxOutputSize, limitedOutput, byU32,
+				usingExtDict, noDictIssue, acceleration);
+		}
+		streamPtr->dictionary = (const BYTE *)source;
+		streamPtr->dictSize = (U32)inputSize;
+		streamPtr->currentOffset += (U32)inputSize;
+		return result;
+	}
 }
-EXPORT_SYMBOL(lz4_compress);
+EXPORT_SYMBOL(LZ4_compress_fast_continue);
 
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_DESCRIPTION("LZ4 compressor");
diff --git a/lib/lz4/lz4_decompress.c b/lib/lz4/lz4_decompress.c
index 6d940c72b5fc..bd3574312b82 100644
--- a/lib/lz4/lz4_decompress.c
+++ b/lib/lz4/lz4_decompress.c
@@ -1,25 +1,16 @@
 /*
- * LZ4 Decompressor for Linux kernel
- *
- * Copyright (C) 2013, LG Electronics, Kyungsik Lee <kyungsik.lee@lge.com>
- *
- * Based on LZ4 implementation by Yann Collet.
- *
  * LZ4 - Fast LZ compression algorithm
- * Copyright (C) 2011-2012, Yann Collet.
- * BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
- *
+ * Copyright (C) 2011 - 2016, Yann Collet.
+ * BSD 2 - Clause License (http://www.opensource.org/licenses/bsd - license.php)
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
+ *	* Redistributions of source code must retain the above copyright
+ *	  notice, this list of conditions and the following disclaimer.
+ *	* Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
- *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
@@ -31,313 +22,487 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * You can contact the author at :
+ *	- LZ4 homepage : http://www.lz4.org
+ *	- LZ4 source repository : https://github.com/lz4/lz4
  *
- *  You can contact the author at :
- *  - LZ4 homepage : http://fastcompression.blogspot.com/p/lz4.html
- *  - LZ4 source repository : http://code.google.com/p/lz4/
+ *	Changed for kernel usage by:
+ *	Sven Schmidt <4sschmid@informatik.uni-hamburg.de>
  */
 
-#ifndef STATIC
+/*-************************************
+ *	Dependencies
+ **************************************/
+#include <linux/lz4.h>
+#include "lz4defs.h"
+#include <linux/init.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
-#endif
-#include <linux/lz4.h>
-
 #include <asm/unaligned.h>
 
-#include "lz4defs.h"
-
-static const int dec32table[] = {0, 3, 2, 3, 0, 0, 0, 0};
-#if LZ4_ARCH64
-static const int dec64table[] = {0, 0, 0, -1, 0, 1, 2, 3};
-#endif
-
-static int lz4_uncompress(const char *source, char *dest, int osize)
+/*-*****************************
+ *	Decompression functions
+ *******************************/
+/* LZ4_decompress_generic() :
+ * This generic decompression function cover all use cases.
+ * It shall be instantiated several times, using different sets of directives
+ * Note that it is important this generic function is really inlined,
+ * in order to remove useless branches during compilation optimization.
+ */
+static FORCE_INLINE int LZ4_decompress_generic(
+	 const char * const source,
+	 char * const dest,
+	 int inputSize,
+		/*
+		 * If endOnInput == endOnInputSize,
+		 * this value is the max size of Output Buffer.
+		 */
+	 int outputSize,
+	 /* endOnOutputSize, endOnInputSize */
+	 int endOnInput,
+	 /* full, partial */
+	 int partialDecoding,
+	 /* only used if partialDecoding == partial */
+	 int targetOutputSize,
+	 /* noDict, withPrefix64k, usingExtDict */
+	 int dict,
+	 /* == dest when no prefix */
+	 const BYTE * const lowPrefix,
+	 /* only if dict == usingExtDict */
+	 const BYTE * const dictStart,
+	 /* note : = 0 if noDict */
+	 const size_t dictSize
+	 )
 {
+	/* Local Variables */
 	const BYTE *ip = (const BYTE *) source;
-	const BYTE *ref;
+	const BYTE * const iend = ip + inputSize;
+
 	BYTE *op = (BYTE *) dest;
-	BYTE * const oend = op + osize;
+	BYTE * const oend = op + outputSize;
 	BYTE *cpy;
-	unsigned token;
-	size_t length;
+	BYTE *oexit = op + targetOutputSize;
+	const BYTE * const lowLimit = lowPrefix - dictSize;
 
+	const BYTE * const dictEnd = (const BYTE *)dictStart + dictSize;
+	const unsigned int dec32table[] = { 0, 1, 2, 1, 4, 4, 4, 4 };
+	const int dec64table[] = { 0, 0, 0, -1, 0, 1, 2, 3 };
+
+	const int safeDecode = (endOnInput == endOnInputSize);
+	const int checkOffset = ((safeDecode) && (dictSize < (int)(64 * KB)));
+
+	/* Special cases */
+	/* targetOutputSize too high => decode everything */
+	if ((partialDecoding) && (oexit > oend - MFLIMIT))
+		oexit = oend - MFLIMIT;
+
+	/* Empty output buffer */
+	if ((endOnInput) && (unlikely(outputSize == 0)))
+		return ((inputSize == 1) && (*ip == 0)) ? 0 : -1;
+
+	if ((!endOnInput) && (unlikely(outputSize == 0)))
+		return (*ip == 0 ? 1 : -1);
+
+	/* Main Loop : decode sequences */
 	while (1) {
+		size_t length;
+		const BYTE *match;
+		size_t offset;
+
+		/* get literal length */
+		unsigned int const token = *ip++;
+
+		length = token>>ML_BITS;
 
-		/* get runlength */
-		token = *ip++;
-		length = (token >> ML_BITS);
 		if (length == RUN_MASK) {
-			size_t len;
+			unsigned int s;
 
-			len = *ip++;
-			for (; len == 255; length += 255)
-				len = *ip++;
-			if (unlikely(length > (size_t)(length + len)))
+			do {
+				s = *ip++;
+				length += s;
+			} while (likely(endOnInput
+				? ip < iend - RUN_MASK
+				: 1) & (s == 255));
+
+			if ((safeDecode)
+				&& unlikely(
+					(size_t)(op + length) < (size_t)(op))) {
+				/* overflow detection */
+				goto _output_error;
+			}
+			if ((safeDecode)
+				&& unlikely(
+					(size_t)(ip + length) < (size_t)(ip))) {
+				/* overflow detection */
 				goto _output_error;
-			length += len;
+			}
 		}
 
 		/* copy literals */
 		cpy = op + length;
-		if (unlikely(cpy > oend - COPYLENGTH)) {
-			/*
-			 * Error: not enough place for another match
-			 * (min 4) + 5 literals
-			 */
-			if (cpy != oend)
-				goto _output_error;
+		if (((endOnInput) && ((cpy > (partialDecoding ? oexit : oend - MFLIMIT))
+			|| (ip + length > iend - (2 + 1 + LASTLITERALS))))
+			|| ((!endOnInput) && (cpy > oend - WILDCOPYLENGTH))) {
+			if (partialDecoding) {
+				if (cpy > oend) {
+					/*
+					 * Error :
+					 * write attempt beyond end of output buffer
+					 */
+					goto _output_error;
+				}
+				if ((endOnInput)
+					&& (ip + length > iend)) {
+					/*
+					 * Error :
+					 * read attempt beyond
+					 * end of input buffer
+					 */
+					goto _output_error;
+				}
+			} else {
+				if ((!endOnInput)
+					&& (cpy != oend)) {
+					/*
+					 * Error :
+					 * block decoding must
+					 * stop exactly there
+					 */
+					goto _output_error;
+				}
+				if ((endOnInput)
+					&& ((ip + length != iend)
+					|| (cpy > oend))) {
+					/*
+					 * Error :
+					 * input must be consumed
+					 */
+					goto _output_error;
+				}
+			}
 
 			memcpy(op, ip, length);
 			ip += length;
-			break; /* EOF */
+			op += length;
+			/* Necessarily EOF, due to parsing restrictions */
+			break;
 		}
-		LZ4_WILDCOPY(ip, op, cpy);
-		ip -= (op - cpy);
+
+		LZ4_wildCopy(op, ip, cpy);
+		ip += length;
 		op = cpy;
 
 		/* get offset */
-		LZ4_READ_LITTLEENDIAN_16(ref, cpy, ip);
+		offset = LZ4_readLE16(ip);
 		ip += 2;
+		match = op - offset;
 
-		/* Error: offset create reference outside destination buffer */
-		if (unlikely(ref < (BYTE *const) dest))
+		if ((checkOffset) && (unlikely(match < lowLimit))) {
+			/* Error : offset outside buffers */
 			goto _output_error;
+		}
+
+		/* costs ~1%; silence an msan warning when offset == 0 */
+		LZ4_write32(op, (U32)offset);
 
 		/* get matchlength */
 		length = token & ML_MASK;
 		if (length == ML_MASK) {
-			for (; *ip == 255; length += 255)
-				ip++;
-			if (unlikely(length > (size_t)(length + *ip)))
+			unsigned int s;
+
+			do {
+				s = *ip++;
+
+				if ((endOnInput) && (ip > iend - LASTLITERALS))
+					goto _output_error;
+
+				length += s;
+			} while (s == 255);
+
+			if ((safeDecode)
+				&& unlikely(
+					(size_t)(op + length) < (size_t)op)) {
+				/* overflow detection */
 				goto _output_error;
-			length += *ip++;
+			}
 		}
 
-		/* copy repeated sequence */
-		if (unlikely((op - ref) < STEPSIZE)) {
-#if LZ4_ARCH64
-			int dec64 = dec64table[op - ref];
-#else
-			const int dec64 = 0;
-#endif
-			op[0] = ref[0];
-			op[1] = ref[1];
-			op[2] = ref[2];
-			op[3] = ref[3];
-			op += 4;
-			ref += 4;
-			ref -= dec32table[op-ref];
-			PUT4(ref, op);
-			op += STEPSIZE - 4;
-			ref -= dec64;
+		length += MINMATCH;
+
+		/* check external dictionary */
+		if ((dict == usingExtDict) && (match < lowPrefix)) {
+			if (unlikely(op + length > oend - LASTLITERALS)) {
+				/* doesn't respect parsing restriction */
+				goto _output_error;
+			}
+
+			if (length <= (size_t)(lowPrefix - match)) {
+				/*
+				 * match can be copied as a single segment
+				 * from external dictionary
+				 */
+				memmove(op, dictEnd - (lowPrefix - match),
+					length);
+				op += length;
+			} else {
+				/*
+				 * match encompass external
+				 * dictionary and current block
+				 */
+				size_t const copySize = (size_t)(lowPrefix - match);
+				size_t const restSize = length - copySize;
+
+				memcpy(op, dictEnd - copySize, copySize);
+				op += copySize;
+
+				if (restSize > (size_t)(op - lowPrefix)) {
+					/* overlap copy */
+					BYTE * const endOfMatch = op + restSize;
+					const BYTE *copyFrom = lowPrefix;
+
+					while (op < endOfMatch)
+						*op++ = *copyFrom++;
+				} else {
+					memcpy(op, lowPrefix, restSize);
+					op += restSize;
+				}
+			}
+
+			continue;
+		}
+
+		/* copy match within block */
+		cpy = op + length;
+
+		if (unlikely(offset < 8)) {
+			const int dec64 = dec64table[offset];
+
+			op[0] = match[0];
+			op[1] = match[1];
+			op[2] = match[2];
+			op[3] = match[3];
+			match += dec32table[offset];
+			memcpy(op + 4, match, 4);
+			match -= dec64;
 		} else {
-			LZ4_COPYSTEP(ref, op);
+			LZ4_copy8(op, match);
+			match += 8;
 		}
-		cpy = op + length - (STEPSIZE - 4);
-		if (cpy > (oend - COPYLENGTH)) {
 
-			/* Error: request to write beyond destination buffer */
-			if (cpy > oend)
-				goto _output_error;
-#if LZ4_ARCH64
-			if ((ref + COPYLENGTH) > oend)
-#else
-			if ((ref + COPYLENGTH) > oend ||
-					(op + COPYLENGTH) > oend)
-#endif
+		op += 8;
+
+		if (unlikely(cpy > oend - 12)) {
+			BYTE * const oCopyLimit = oend - (WILDCOPYLENGTH - 1);
+
+			if (cpy > oend - LASTLITERALS) {
+				/*
+				 * Error : last LASTLITERALS bytes
+				 * must be literals (uncompressed)
+				 */
 				goto _output_error;
-			LZ4_SECURECOPY(ref, op, (oend - COPYLENGTH));
+			}
+
+			if (op < oCopyLimit) {
+				LZ4_wildCopy(op, match, oCopyLimit);
+				match += oCopyLimit - op;
+				op = oCopyLimit;
+			}
+
 			while (op < cpy)
-				*op++ = *ref++;
-			op = cpy;
-			/*
-			 * Check EOF (should never happen, since last 5 bytes
-			 * are supposed to be literals)
-			 */
-			if (op == oend)
-				goto _output_error;
-			continue;
+				*op++ = *match++;
+		} else {
+			LZ4_copy8(op, match);
+
+			if (length > 16)
+				LZ4_wildCopy(op + 8, match + 8, cpy);
 		}
-		LZ4_SECURECOPY(ref, op, cpy);
+
 		op = cpy; /* correction */
 	}
+
 	/* end of decoding */
-	return (int) (((char *)ip) - source);
+	if (endOnInput) {
+		/* Nb of output bytes decoded */
+		return (int) (((char *)op) - dest);
+	} else {
+		/* Nb of input bytes read */
+		return (int) (((const char *)ip) - source);
+	}
 
-	/* write overflow error detected */
+	/* Overflow error detected */
 _output_error:
 	return -1;
 }
 
-static int lz4_uncompress_unknownoutputsize(const char *source, char *dest,
-				int isize, size_t maxoutputsize)
+int LZ4_decompress_safe(const char *source, char *dest,
+	int compressedSize, int maxDecompressedSize)
 {
-	const BYTE *ip = (const BYTE *) source;
-	const BYTE *const iend = ip + isize;
-	const BYTE *ref;
-
+	return LZ4_decompress_generic(source, dest, compressedSize,
+		maxDecompressedSize, endOnInputSize, full, 0,
+		noDict, (BYTE *)dest, NULL, 0);
+}
 
-	BYTE *op = (BYTE *) dest;
-	BYTE * const oend = op + maxoutputsize;
-	BYTE *cpy;
+int LZ4_decompress_safe_partial(const char *source, char *dest,
+	int compressedSize, int targetOutputSize, int maxDecompressedSize)
+{
+	return LZ4_decompress_generic(source, dest, compressedSize,
+		maxDecompressedSize, endOnInputSize, partial,
+		targetOutputSize, noDict, (BYTE *)dest, NULL, 0);
+}
 
-	/* Main Loop */
-	while (ip < iend) {
+int LZ4_decompress_fast(const char *source, char *dest, int originalSize)
+{
+	return LZ4_decompress_generic(source, dest, 0, originalSize,
+		endOnOutputSize, full, 0, withPrefix64k,
+		(BYTE *)(dest - 64 * KB), NULL, 64 * KB);
+}
 
-		unsigned token;
-		size_t length;
+int LZ4_setStreamDecode(LZ4_streamDecode_t *LZ4_streamDecode,
+	const char *dictionary, int dictSize)
+{
+	LZ4_streamDecode_t_internal *lz4sd = (LZ4_streamDecode_t_internal *) LZ4_streamDecode;
 
-		/* get runlength */
-		token = *ip++;
-		length = (token >> ML_BITS);
-		if (length == RUN_MASK) {
-			int s = 255;
-			while ((ip < iend) && (s == 255)) {
-				s = *ip++;
-				if (unlikely(length > (size_t)(length + s)))
-					goto _output_error;
-				length += s;
-			}
-		}
-		/* copy literals */
-		cpy = op + length;
-		if ((cpy > oend - COPYLENGTH) ||
-			(ip + length > iend - COPYLENGTH)) {
-
-			if (cpy > oend)
-				goto _output_error;/* writes beyond buffer */
-
-			if (ip + length != iend)
-				goto _output_error;/*
-						    * Error: LZ4 format requires
-						    * to consume all input
-						    * at this stage
-						    */
-			memcpy(op, ip, length);
-			op += length;
-			break;/* Necessarily EOF, due to parsing restrictions */
-		}
-		LZ4_WILDCOPY(ip, op, cpy);
-		ip -= (op - cpy);
-		op = cpy;
+	lz4sd->prefixSize = (size_t) dictSize;
+	lz4sd->prefixEnd = (const BYTE *) dictionary + dictSize;
+	lz4sd->externalDict = NULL;
+	lz4sd->extDictSize	= 0;
+	return 1;
+}
 
-		/* get offset */
-		LZ4_READ_LITTLEENDIAN_16(ref, cpy, ip);
-		ip += 2;
-		if (ref < (BYTE * const) dest)
-			goto _output_error;
-			/*
-			 * Error : offset creates reference
-			 * outside of destination buffer
-			 */
+/*
+ * *_continue() :
+ * These decoding functions allow decompression of multiple blocks
+ * in "streaming" mode.
+ * Previously decoded blocks must still be available at the memory
+ * position where they were decoded.
+ * If it's not possible, save the relevant part of
+ * decoded data into a safe buffer,
+ * and indicate where it stands using LZ4_setStreamDecode()
+ */
+int LZ4_decompress_safe_continue(LZ4_streamDecode_t *LZ4_streamDecode,
+	const char *source, char *dest, int compressedSize, int maxOutputSize)
+{
+	LZ4_streamDecode_t_internal *lz4sd = &LZ4_streamDecode->internal_donotuse;
+	int result;
+
+	if (lz4sd->prefixEnd == (BYTE *)dest) {
+		result = LZ4_decompress_generic(source, dest,
+			compressedSize,
+			maxOutputSize,
+			endOnInputSize, full, 0,
+			usingExtDict, lz4sd->prefixEnd - lz4sd->prefixSize,
+			lz4sd->externalDict,
+			lz4sd->extDictSize);
+
+		if (result <= 0)
+			return result;
+
+		lz4sd->prefixSize += result;
+		lz4sd->prefixEnd	+= result;
+	} else {
+		lz4sd->extDictSize = lz4sd->prefixSize;
+		lz4sd->externalDict = lz4sd->prefixEnd - lz4sd->extDictSize;
+		result = LZ4_decompress_generic(source, dest,
+			compressedSize, maxOutputSize,
+			endOnInputSize, full, 0,
+			usingExtDict, (BYTE *)dest,
+			lz4sd->externalDict, lz4sd->extDictSize);
+		if (result <= 0)
+			return result;
+		lz4sd->prefixSize = result;
+		lz4sd->prefixEnd	= (BYTE *)dest + result;
+	}
 
-		/* get matchlength */
-		length = (token & ML_MASK);
-		if (length == ML_MASK) {
-			while (ip < iend) {
-				int s = *ip++;
-				if (unlikely(length > (size_t)(length + s)))
-					goto _output_error;
-				length += s;
-				if (s == 255)
-					continue;
-				break;
-			}
-		}
+	return result;
+}
 
-		/* copy repeated sequence */
-		if (unlikely((op - ref) < STEPSIZE)) {
-#if LZ4_ARCH64
-			int dec64 = dec64table[op - ref];
-#else
-			const int dec64 = 0;
-#endif
-				op[0] = ref[0];
-				op[1] = ref[1];
-				op[2] = ref[2];
-				op[3] = ref[3];
-				op += 4;
-				ref += 4;
-				ref -= dec32table[op - ref];
-				PUT4(ref, op);
-				op += STEPSIZE - 4;
-				ref -= dec64;
-		} else {
-			LZ4_COPYSTEP(ref, op);
-		}
-		cpy = op + length - (STEPSIZE-4);
-		if (cpy > oend - COPYLENGTH) {
-			if (cpy > oend)
-				goto _output_error; /* write outside of buf */
-#if LZ4_ARCH64
-			if ((ref + COPYLENGTH) > oend)
-#else
-			if ((ref + COPYLENGTH) > oend ||
-					(op + COPYLENGTH) > oend)
-#endif
-				goto _output_error;
-			LZ4_SECURECOPY(ref, op, (oend - COPYLENGTH));
-			while (op < cpy)
-				*op++ = *ref++;
-			op = cpy;
-			/*
-			 * Check EOF (should never happen, since last 5 bytes
-			 * are supposed to be literals)
-			 */
-			if (op == oend)
-				goto _output_error;
-			continue;
-		}
-		LZ4_SECURECOPY(ref, op, cpy);
-		op = cpy; /* correction */
+int LZ4_decompress_fast_continue(LZ4_streamDecode_t *LZ4_streamDecode,
+	const char *source, char *dest, int originalSize)
+{
+	LZ4_streamDecode_t_internal *lz4sd = &LZ4_streamDecode->internal_donotuse;
+	int result;
+
+	if (lz4sd->prefixEnd == (BYTE *)dest) {
+		result = LZ4_decompress_generic(source, dest, 0, originalSize,
+			endOnOutputSize, full, 0,
+			usingExtDict,
+			lz4sd->prefixEnd - lz4sd->prefixSize,
+			lz4sd->externalDict, lz4sd->extDictSize);
+
+		if (result <= 0)
+			return result;
+
+		lz4sd->prefixSize += originalSize;
+		lz4sd->prefixEnd	+= originalSize;
+	} else {
+		lz4sd->extDictSize = lz4sd->prefixSize;
+		lz4sd->externalDict = lz4sd->prefixEnd - lz4sd->extDictSize;
+		result = LZ4_decompress_generic(source, dest, 0, originalSize,
+			endOnOutputSize, full, 0,
+			usingExtDict, (BYTE *)dest,
+			lz4sd->externalDict, lz4sd->extDictSize);
+		if (result <= 0)
+			return result;
+		lz4sd->prefixSize = originalSize;
+		lz4sd->prefixEnd	= (BYTE *)dest + originalSize;
 	}
-	/* end of decoding */
-	return (int) (((char *) op) - dest);
 
-	/* write overflow error detected */
-_output_error:
-	return -1;
+	return result;
 }
 
-int lz4_decompress(const unsigned char *src, size_t *src_len,
-		unsigned char *dest, size_t actual_dest_len)
+/*
+ * Advanced decoding functions :
+ * *_usingDict() :
+ * These decoding functions work the same as "_continue" ones,
+ * the dictionary must be explicitly provided within parameters
+ */
+static FORCE_INLINE int LZ4_decompress_usingDict_generic(const char *source,
+	char *dest, int compressedSize, int maxOutputSize, int safe,
+	const char *dictStart, int dictSize)
 {
-	int ret = -1;
-	int input_len = 0;
-
-	input_len = lz4_uncompress(src, dest, actual_dest_len);
-	if (input_len < 0)
-		goto exit_0;
-	*src_len = input_len;
+	if (dictSize == 0)
+		return LZ4_decompress_generic(source, dest,
+			compressedSize, maxOutputSize, safe, full, 0,
+			noDict, (BYTE *)dest, NULL, 0);
+	if (dictStart + dictSize == dest) {
+		if (dictSize >= (int)(64 * KB - 1))
+			return LZ4_decompress_generic(source, dest,
+				compressedSize, maxOutputSize, safe, full, 0,
+				withPrefix64k, (BYTE *)dest - 64 * KB, NULL, 0);
+		return LZ4_decompress_generic(source, dest, compressedSize,
+			maxOutputSize, safe, full, 0, noDict,
+			(BYTE *)dest - dictSize, NULL, 0);
+	}
+	return LZ4_decompress_generic(source, dest, compressedSize,
+		maxOutputSize, safe, full, 0, usingExtDict,
+		(BYTE *)dest, (const BYTE *)dictStart, dictSize);
+}
 
-	return 0;
-exit_0:
-	return ret;
+int LZ4_decompress_safe_usingDict(const char *source, char *dest,
+	int compressedSize, int maxOutputSize,
+	const char *dictStart, int dictSize)
+{
+	return LZ4_decompress_usingDict_generic(source, dest,
+		compressedSize, maxOutputSize, 1, dictStart, dictSize);
 }
-#ifndef STATIC
-EXPORT_SYMBOL(lz4_decompress);
-#endif
 
-int lz4_decompress_unknownoutputsize(const unsigned char *src, size_t src_len,
-		unsigned char *dest, size_t *dest_len)
+int LZ4_decompress_fast_usingDict(const char *source, char *dest,
+	int originalSize, const char *dictStart, int dictSize)
 {
-	int ret = -1;
-	int out_len = 0;
-
-	out_len = lz4_uncompress_unknownoutputsize(src, dest, src_len,
-					*dest_len);
-	if (out_len < 0)
-		goto exit_0;
-	*dest_len = out_len;
-
-	return 0;
-exit_0:
-	return ret;
+	return LZ4_decompress_usingDict_generic(source, dest, 0,
+		originalSize, 0, dictStart, dictSize);
 }
+
 #ifndef STATIC
-EXPORT_SYMBOL(lz4_decompress_unknownoutputsize);
+EXPORT_SYMBOL(LZ4_decompress_safe);
+EXPORT_SYMBOL(LZ4_decompress_safe_partial);
+EXPORT_SYMBOL(LZ4_decompress_fast);
+EXPORT_SYMBOL(LZ4_setStreamDecode);
+EXPORT_SYMBOL(LZ4_decompress_safe_continue);
+EXPORT_SYMBOL(LZ4_decompress_fast_continue);
+EXPORT_SYMBOL(LZ4_decompress_safe_usingDict);
+EXPORT_SYMBOL(LZ4_decompress_fast_usingDict);
 
 MODULE_LICENSE("Dual BSD/GPL");
-MODULE_DESCRIPTION("LZ4 Decompressor");
+MODULE_DESCRIPTION("LZ4 decompressor");
 #endif
diff --git a/lib/lz4/lz4defs.h b/lib/lz4/lz4defs.h
index c79d7ea8a38e..00a0b58a0871 100644
--- a/lib/lz4/lz4defs.h
+++ b/lib/lz4/lz4defs.h
@@ -1,157 +1,227 @@
+#ifndef __LZ4DEFS_H__
+#define __LZ4DEFS_H__
+
 /*
- * lz4defs.h -- architecture specific defines
- *
- * Copyright (C) 2013, LG Electronics, Kyungsik Lee <kyungsik.lee@lge.com>
+ * lz4defs.h -- common and architecture specific defines for the kernel usage
+
+ * LZ4 - Fast LZ compression algorithm
+ * Copyright (C) 2011-2016, Yann Collet.
+ * BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *	* Redistributions of source code must retain the above copyright
+ *	  notice, this list of conditions and the following disclaimer.
+ *	* Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * You can contact the author at :
+ *	- LZ4 homepage : http://www.lz4.org
+ *	- LZ4 source repository : https://github.com/lz4/lz4
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ *	Changed for kernel usage by:
+ *	Sven Schmidt <4sschmid@informatik.uni-hamburg.de>
  */
 
-/*
- * Detects 64 bits mode
- */
+#include <asm/unaligned.h>
+#include <linux/string.h>	 /* memset, memcpy */
+
+#define FORCE_INLINE __always_inline
+
+/*-************************************
+ *	Basic Types
+ **************************************/
+#include <linux/types.h>
+
+typedef	uint8_t BYTE;
+typedef uint16_t U16;
+typedef uint32_t U32;
+typedef	int32_t S32;
+typedef uint64_t U64;
+typedef uintptr_t uptrval;
+
+/*-************************************
+ *	Architecture specifics
+ **************************************/
 #if defined(CONFIG_64BIT)
 #define LZ4_ARCH64 1
 #else
 #define LZ4_ARCH64 0
 #endif
 
-/*
- * Architecture-specific macros
- */
-#define BYTE	u8
-typedef struct _U16_S { u16 v; } U16_S;
-typedef struct _U32_S { u32 v; } U32_S;
-typedef struct _U64_S { u64 v; } U64_S;
-#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)
-
-#define A16(x) (((U16_S *)(x))->v)
-#define A32(x) (((U32_S *)(x))->v)
-#define A64(x) (((U64_S *)(x))->v)
-
-#define PUT4(s, d) (A32(d) = A32(s))
-#define PUT8(s, d) (A64(d) = A64(s))
-
-#define LZ4_READ_LITTLEENDIAN_16(d, s, p)	\
-	(d = s - A16(p))
-
-#define LZ4_WRITE_LITTLEENDIAN_16(p, v)	\
-	do {	\
-		A16(p) = v; \
-		p += 2; \
-	} while (0)
-#else /* CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS */
-
-#define A64(x) get_unaligned((u64 *)&(((U16_S *)(x))->v))
-#define A32(x) get_unaligned((u32 *)&(((U16_S *)(x))->v))
-#define A16(x) get_unaligned((u16 *)&(((U16_S *)(x))->v))
-
-#define PUT4(s, d) \
-	put_unaligned(get_unaligned((const u32 *) s), (u32 *) d)
-#define PUT8(s, d) \
-	put_unaligned(get_unaligned((const u64 *) s), (u64 *) d)
-
-#define LZ4_READ_LITTLEENDIAN_16(d, s, p)	\
-	(d = s - get_unaligned_le16(p))
-
-#define LZ4_WRITE_LITTLEENDIAN_16(p, v)			\
-	do {						\
-		put_unaligned_le16(v, (u16 *)(p));	\
-		p += 2;					\
-	} while (0)
+#if defined(__LITTLE_ENDIAN)
+#define LZ4_LITTLE_ENDIAN 1
+#else
+#define LZ4_LITTLE_ENDIAN 0
 #endif
 
-#define COPYLENGTH 8
-#define ML_BITS  4
-#define ML_MASK  ((1U << ML_BITS) - 1)
+/*-************************************
+ *	Constants
+ **************************************/
+#define MINMATCH 4
+
+#define WILDCOPYLENGTH 8
+#define LASTLITERALS 5
+#define MFLIMIT (WILDCOPYLENGTH + MINMATCH)
+
+/* Increase this value ==> compression run slower on incompressible data */
+#define LZ4_SKIPTRIGGER 6
+
+#define HASH_UNIT sizeof(size_t)
+
+#define KB (1 << 10)
+#define MB (1 << 20)
+#define GB (1U << 30)
+
+#define MAXD_LOG 16
+#define MAX_DISTANCE ((1 << MAXD_LOG) - 1)
+#define STEPSIZE sizeof(size_t)
+
+#define ML_BITS	4
+#define ML_MASK	((1U << ML_BITS) - 1)
 #define RUN_BITS (8 - ML_BITS)
 #define RUN_MASK ((1U << RUN_BITS) - 1)
-#define MEMORY_USAGE	14
-#define MINMATCH	4
-#define SKIPSTRENGTH	6
-#define LASTLITERALS	5
-#define MFLIMIT		(COPYLENGTH + MINMATCH)
-#define MINLENGTH	(MFLIMIT + 1)
-#define MAXD_LOG	16
-#define MAXD		(1 << MAXD_LOG)
-#define MAXD_MASK	(u32)(MAXD - 1)
-#define MAX_DISTANCE	(MAXD - 1)
-#define HASH_LOG	(MAXD_LOG - 1)
-#define HASHTABLESIZE	(1 << HASH_LOG)
-#define MAX_NB_ATTEMPTS	256
-#define OPTIMAL_ML	(int)((ML_MASK-1)+MINMATCH)
-#define LZ4_64KLIMIT	((1<<16) + (MFLIMIT - 1))
-#define HASHLOG64K	((MEMORY_USAGE - 2) + 1)
-#define HASH64KTABLESIZE	(1U << HASHLOG64K)
-#define LZ4_HASH_VALUE(p)	(((A32(p)) * 2654435761U) >> \
-				((MINMATCH * 8) - (MEMORY_USAGE-2)))
-#define LZ4_HASH64K_VALUE(p)	(((A32(p)) * 2654435761U) >> \
-				((MINMATCH * 8) - HASHLOG64K))
-#define HASH_VALUE(p)		(((A32(p)) * 2654435761U) >> \
-				((MINMATCH * 8) - HASH_LOG))
-
-#if LZ4_ARCH64/* 64-bit */
-#define STEPSIZE 8
-
-#define LZ4_COPYSTEP(s, d)	\
-	do {			\
-		PUT8(s, d);	\
-		d += 8;		\
-		s += 8;		\
-	} while (0)
-
-#define LZ4_COPYPACKET(s, d)	LZ4_COPYSTEP(s, d)
-
-#define LZ4_SECURECOPY(s, d, e)			\
-	do {					\
-		if (d < e) {			\
-			LZ4_WILDCOPY(s, d, e);	\
-		}				\
-	} while (0)
-#define HTYPE u32
-
-#ifdef __BIG_ENDIAN
-#define LZ4_NBCOMMONBYTES(val) (__builtin_clzll(val) >> 3)
+
+/*-************************************
+ *	Reading and writing into memory
+ **************************************/
+static FORCE_INLINE U16 LZ4_read16(const void *ptr)
+{
+	return get_unaligned((const U16 *)ptr);
+}
+
+static FORCE_INLINE U32 LZ4_read32(const void *ptr)
+{
+	return get_unaligned((const U32 *)ptr);
+}
+
+static FORCE_INLINE size_t LZ4_read_ARCH(const void *ptr)
+{
+	return get_unaligned((const size_t *)ptr);
+}
+
+static FORCE_INLINE void LZ4_write16(void *memPtr, U16 value)
+{
+	put_unaligned(value, (U16 *)memPtr);
+}
+
+static FORCE_INLINE void LZ4_write32(void *memPtr, U32 value)
+{
+	put_unaligned(value, (U32 *)memPtr);
+}
+
+static FORCE_INLINE U16 LZ4_readLE16(const void *memPtr)
+{
+	return get_unaligned_le16(memPtr);
+}
+
+static FORCE_INLINE void LZ4_writeLE16(void *memPtr, U16 value)
+{
+	return put_unaligned_le16(value, memPtr);
+}
+
+static FORCE_INLINE void LZ4_copy8(void *dst, const void *src)
+{
+#if LZ4_ARCH64
+	U64 a = get_unaligned((const U64 *)src);
+
+	put_unaligned(a, (U64 *)dst);
+#else
+	U32 a = get_unaligned((const U32 *)src);
+	U32 b = get_unaligned((const U32 *)src + 1);
+
+	put_unaligned(a, (U32 *)dst);
+	put_unaligned(b, (U32 *)dst + 1);
+#endif
+}
+
+/*
+ * customized variant of memcpy,
+ * which can overwrite up to 7 bytes beyond dstEnd
+ */
+static FORCE_INLINE void LZ4_wildCopy(void *dstPtr,
+	const void *srcPtr, void *dstEnd)
+{
+	BYTE *d = (BYTE *)dstPtr;
+	const BYTE *s = (const BYTE *)srcPtr;
+	BYTE *const e = (BYTE *)dstEnd;
+
+	do {
+		LZ4_copy8(d, s);
+		d += 8;
+		s += 8;
+	} while (d < e);
+}
+
+static FORCE_INLINE unsigned int LZ4_NbCommonBytes(register size_t val)
+{
+#if LZ4_LITTLE_ENDIAN
+	return __ffs(val) >> 3;
 #else
-#define LZ4_NBCOMMONBYTES(val) (__builtin_ctzll(val) >> 3)
+	return (BITS_PER_LONG - 1 - __fls(val)) >> 3;
+#endif
+}
+
+static FORCE_INLINE unsigned int LZ4_count(
+	const BYTE *pIn,
+	const BYTE *pMatch,
+	const BYTE *pInLimit)
+{
+	const BYTE *const pStart = pIn;
+
+	while (likely(pIn < pInLimit - (STEPSIZE - 1))) {
+		size_t const diff = LZ4_read_ARCH(pMatch) ^ LZ4_read_ARCH(pIn);
+
+		if (!diff) {
+			pIn += STEPSIZE;
+			pMatch += STEPSIZE;
+			continue;
+		}
+
+		pIn += LZ4_NbCommonBytes(diff);
+
+		return (unsigned int)(pIn - pStart);
+	}
+
+#if LZ4_ARCH64
+	if ((pIn < (pInLimit - 3))
+		&& (LZ4_read32(pMatch) == LZ4_read32(pIn))) {
+		pIn += 4;
+		pMatch += 4;
+	}
 #endif
 
-#else	/* 32-bit */
-#define STEPSIZE 4
+	if ((pIn < (pInLimit - 1))
+		&& (LZ4_read16(pMatch) == LZ4_read16(pIn))) {
+		pIn += 2;
+		pMatch += 2;
+	}
 
-#define LZ4_COPYSTEP(s, d)	\
-	do {			\
-		PUT4(s, d);	\
-		d += 4;		\
-		s += 4;		\
-	} while (0)
+	if ((pIn < pInLimit) && (*pMatch == *pIn))
+		pIn++;
 
-#define LZ4_COPYPACKET(s, d)		\
-	do {				\
-		LZ4_COPYSTEP(s, d);	\
-		LZ4_COPYSTEP(s, d);	\
-	} while (0)
+	return (unsigned int)(pIn - pStart);
+}
 
-#define LZ4_SECURECOPY	LZ4_WILDCOPY
-#define HTYPE const u8*
+typedef enum { noLimit = 0, limitedOutput = 1 } limitedOutput_directive;
+typedef enum { byPtr, byU32, byU16 } tableType_t;
 
-#ifdef __BIG_ENDIAN
-#define LZ4_NBCOMMONBYTES(val) (__builtin_clz(val) >> 3)
-#else
-#define LZ4_NBCOMMONBYTES(val) (__builtin_ctz(val) >> 3)
-#endif
+typedef enum { noDict = 0, withPrefix64k, usingExtDict } dict_directive;
+typedef enum { noDictIssue = 0, dictSmall } dictIssue_directive;
 
-#endif
+typedef enum { endOnOutputSize = 0, endOnInputSize = 1 } endCondition_directive;
+typedef enum { full = 0, partial = 1 } earlyEnd_directive;
 
-#define LZ4_WILDCOPY(s, d, e)		\
-	do {				\
-		LZ4_COPYPACKET(s, d);	\
-	} while (d < e)
-
-#define LZ4_BLINDCOPY(s, d, l)	\
-	do {	\
-		u8 *e = (d) + l;	\
-		LZ4_WILDCOPY(s, d, e);	\
-		d = e;	\
-	} while (0)
+#endif
diff --git a/lib/lz4/lz4hc_compress.c b/lib/lz4/lz4hc_compress.c
index f344f76b6559..176f03b83e56 100644
--- a/lib/lz4/lz4hc_compress.c
+++ b/lib/lz4/lz4hc_compress.c
@@ -1,19 +1,17 @@
 /*
  * LZ4 HC - High Compression Mode of LZ4
- * Copyright (C) 2011-2012, Yann Collet.
- * BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ * Copyright (C) 2011-2015, Yann Collet.
  *
+ * BSD 2 - Clause License (http://www.opensource.org/licenses/bsd - license.php)
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
+ *	* Redistributions of source code must retain the above copyright
+ *	  notice, this list of conditions and the following disclaimer.
+ *	* Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
- *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
@@ -25,323 +23,361 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
  * You can contact the author at :
- * - LZ4 homepage : http://fastcompression.blogspot.com/p/lz4.html
- * - LZ4 source repository : http://code.google.com/p/lz4/
+ *	- LZ4 homepage : http://www.lz4.org
+ *	- LZ4 source repository : https://github.com/lz4/lz4
  *
- *  Changed for kernel use by:
- *  Chanho Min <chanho.min@lge.com>
+ *	Changed for kernel usage by:
+ *	Sven Schmidt <4sschmid@informatik.uni-hamburg.de>
  */
 
-#include <linux/module.h>
-#include <linux/kernel.h>
+/*-************************************
+ *	Dependencies
+ **************************************/
 #include <linux/lz4.h>
-#include <asm/unaligned.h>
 #include "lz4defs.h"
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/string.h> /* memset */
 
-struct lz4hc_data {
-	const u8 *base;
-	HTYPE hashtable[HASHTABLESIZE];
-	u16 chaintable[MAXD];
-	const u8 *nexttoupdate;
-} __attribute__((__packed__));
+/* *************************************
+ *	Local Constants and types
+ ***************************************/
 
-static inline int lz4hc_init(struct lz4hc_data *hc4, const u8 *base)
+#define OPTIMAL_ML (int)((ML_MASK - 1) + MINMATCH)
+
+#define HASH_FUNCTION(i)	(((i) * 2654435761U) \
+	>> ((MINMATCH*8) - LZ4HC_HASH_LOG))
+#define DELTANEXTU16(p)	chainTable[(U16)(p)] /* faster */
+
+static U32 LZ4HC_hashPtr(const void *ptr)
 {
-	memset((void *)hc4->hashtable, 0, sizeof(hc4->hashtable));
-	memset(hc4->chaintable, 0xFF, sizeof(hc4->chaintable));
-
-#if LZ4_ARCH64
-	hc4->nexttoupdate = base + 1;
-#else
-	hc4->nexttoupdate = base;
-#endif
-	hc4->base = base;
-	return 1;
+	return HASH_FUNCTION(LZ4_read32(ptr));
+}
+
+/**************************************
+ *	HC Compression
+ **************************************/
+static void LZ4HC_init(LZ4HC_CCtx_internal *hc4, const BYTE *start)
+{
+	memset((void *)hc4->hashTable, 0, sizeof(hc4->hashTable));
+	memset(hc4->chainTable, 0xFF, sizeof(hc4->chainTable));
+	hc4->nextToUpdate = 64 * KB;
+	hc4->base = start - 64 * KB;
+	hc4->end = start;
+	hc4->dictBase = start - 64 * KB;
+	hc4->dictLimit = 64 * KB;
+	hc4->lowLimit = 64 * KB;
 }
 
 /* Update chains up to ip (excluded) */
-static inline void lz4hc_insert(struct lz4hc_data *hc4, const u8 *ip)
+static FORCE_INLINE void LZ4HC_Insert(LZ4HC_CCtx_internal *hc4,
+	const BYTE *ip)
 {
-	u16 *chaintable = hc4->chaintable;
-	HTYPE *hashtable  = hc4->hashtable;
-#if LZ4_ARCH64
+	U16 * const chainTable = hc4->chainTable;
+	U32 * const hashTable	= hc4->hashTable;
 	const BYTE * const base = hc4->base;
-#else
-	const int base = 0;
-#endif
+	U32 const target = (U32)(ip - base);
+	U32 idx = hc4->nextToUpdate;
+
+	while (idx < target) {
+		U32 const h = LZ4HC_hashPtr(base + idx);
+		size_t delta = idx - hashTable[h];
 
-	while (hc4->nexttoupdate < ip) {
-		const u8 *p = hc4->nexttoupdate;
-		size_t delta = p - (hashtable[HASH_VALUE(p)] + base);
 		if (delta > MAX_DISTANCE)
 			delta = MAX_DISTANCE;
-		chaintable[(size_t)(p) & MAXD_MASK] = (u16)delta;
-		hashtable[HASH_VALUE(p)] = (p) - base;
-		hc4->nexttoupdate++;
-	}
-}
 
-static inline size_t lz4hc_commonlength(const u8 *p1, const u8 *p2,
-		const u8 *const matchlimit)
-{
-	const u8 *p1t = p1;
-
-	while (p1t < matchlimit - (STEPSIZE - 1)) {
-#if LZ4_ARCH64
-		u64 diff = A64(p2) ^ A64(p1t);
-#else
-		u32 diff = A32(p2) ^ A32(p1t);
-#endif
-		if (!diff) {
-			p1t += STEPSIZE;
-			p2 += STEPSIZE;
-			continue;
-		}
-		p1t += LZ4_NBCOMMONBYTES(diff);
-		return p1t - p1;
-	}
-#if LZ4_ARCH64
-	if ((p1t < (matchlimit-3)) && (A32(p2) == A32(p1t))) {
-		p1t += 4;
-		p2 += 4;
-	}
-#endif
+		DELTANEXTU16(idx) = (U16)delta;
 
-	if ((p1t < (matchlimit - 1)) && (A16(p2) == A16(p1t))) {
-		p1t += 2;
-		p2 += 2;
+		hashTable[h] = idx;
+		idx++;
 	}
-	if ((p1t < matchlimit) && (*p2 == *p1t))
-		p1t++;
-	return p1t - p1;
+
+	hc4->nextToUpdate = target;
 }
 
-static inline int lz4hc_insertandfindbestmatch(struct lz4hc_data *hc4,
-		const u8 *ip, const u8 *const matchlimit, const u8 **matchpos)
+static FORCE_INLINE int LZ4HC_InsertAndFindBestMatch(
+	LZ4HC_CCtx_internal *hc4, /* Index table will be updated */
+	const BYTE *ip,
+	const BYTE * const iLimit,
+	const BYTE **matchpos,
+	const int maxNbAttempts)
 {
-	u16 *const chaintable = hc4->chaintable;
-	HTYPE *const hashtable = hc4->hashtable;
-	const u8 *ref;
-#if LZ4_ARCH64
+	U16 * const chainTable = hc4->chainTable;
+	U32 * const HashTable = hc4->hashTable;
 	const BYTE * const base = hc4->base;
-#else
-	const int base = 0;
-#endif
-	int nbattempts = MAX_NB_ATTEMPTS;
-	size_t repl = 0, ml = 0;
-	u16 delta;
+	const BYTE * const dictBase = hc4->dictBase;
+	const U32 dictLimit = hc4->dictLimit;
+	const U32 lowLimit = (hc4->lowLimit + 64 * KB > (U32)(ip - base))
+		? hc4->lowLimit
+		: (U32)(ip - base) - (64 * KB - 1);
+	U32 matchIndex;
+	int nbAttempts = maxNbAttempts;
+	size_t ml = 0;
 
 	/* HC4 match finder */
-	lz4hc_insert(hc4, ip);
-	ref = hashtable[HASH_VALUE(ip)] + base;
-
-	/* potential repetition */
-	if (ref >= ip-4) {
-		/* confirmed */
-		if (A32(ref) == A32(ip)) {
-			delta = (u16)(ip-ref);
-			repl = ml  = lz4hc_commonlength(ip + MINMATCH,
-					ref + MINMATCH, matchlimit) + MINMATCH;
-			*matchpos = ref;
-		}
-		ref -= (size_t)chaintable[(size_t)(ref) & MAXD_MASK];
-	}
+	LZ4HC_Insert(hc4, ip);
+	matchIndex = HashTable[LZ4HC_hashPtr(ip)];
+
+	while ((matchIndex >= lowLimit)
+		&& (nbAttempts)) {
+		nbAttempts--;
+		if (matchIndex >= dictLimit) {
+			const BYTE * const match = base + matchIndex;
+
+			if (*(match + ml) == *(ip + ml)
+				&& (LZ4_read32(match) == LZ4_read32(ip))) {
+				size_t const mlt = LZ4_count(ip + MINMATCH,
+					match + MINMATCH, iLimit) + MINMATCH;
 
-	while ((ref >= ip - MAX_DISTANCE) && nbattempts) {
-		nbattempts--;
-		if (*(ref + ml) == *(ip + ml)) {
-			if (A32(ref) == A32(ip)) {
-				size_t mlt =
-					lz4hc_commonlength(ip + MINMATCH,
-					ref + MINMATCH, matchlimit) + MINMATCH;
 				if (mlt > ml) {
 					ml = mlt;
-					*matchpos = ref;
+					*matchpos = match;
+				}
+			}
+		} else {
+			const BYTE * const match = dictBase + matchIndex;
+
+			if (LZ4_read32(match) == LZ4_read32(ip)) {
+				size_t mlt;
+				const BYTE *vLimit = ip
+					+ (dictLimit - matchIndex);
+
+				if (vLimit > iLimit)
+					vLimit = iLimit;
+				mlt = LZ4_count(ip + MINMATCH,
+					match + MINMATCH, vLimit) + MINMATCH;
+				if ((ip + mlt == vLimit)
+					&& (vLimit < iLimit))
+					mlt += LZ4_count(ip + mlt,
+						base + dictLimit,
+						iLimit);
+				if (mlt > ml) {
+					/* virtual matchpos */
+					ml = mlt;
+					*matchpos = base + matchIndex;
 				}
 			}
 		}
-		ref -= (size_t)chaintable[(size_t)(ref) & MAXD_MASK];
-	}
-
-	/* Complete table */
-	if (repl) {
-		const BYTE *ptr = ip;
-		const BYTE *end;
-		end = ip + repl - (MINMATCH-1);
-		/* Pre-Load */
-		while (ptr < end - delta) {
-			chaintable[(size_t)(ptr) & MAXD_MASK] = delta;
-			ptr++;
-		}
-		do {
-			chaintable[(size_t)(ptr) & MAXD_MASK] = delta;
-			/* Head of chain */
-			hashtable[HASH_VALUE(ptr)] = (ptr) - base;
-			ptr++;
-		} while (ptr < end);
-		hc4->nexttoupdate = end;
+		matchIndex -= DELTANEXTU16(matchIndex);
 	}
 
 	return (int)ml;
 }
 
-static inline int lz4hc_insertandgetwidermatch(struct lz4hc_data *hc4,
-	const u8 *ip, const u8 *startlimit, const u8 *matchlimit, int longest,
-	const u8 **matchpos, const u8 **startpos)
+static FORCE_INLINE int LZ4HC_InsertAndGetWiderMatch(
+	LZ4HC_CCtx_internal *hc4,
+	const BYTE * const ip,
+	const BYTE * const iLowLimit,
+	const BYTE * const iHighLimit,
+	int longest,
+	const BYTE **matchpos,
+	const BYTE **startpos,
+	const int maxNbAttempts)
 {
-	u16 *const chaintable = hc4->chaintable;
-	HTYPE *const hashtable = hc4->hashtable;
-#if LZ4_ARCH64
+	U16 * const chainTable = hc4->chainTable;
+	U32 * const HashTable = hc4->hashTable;
 	const BYTE * const base = hc4->base;
-#else
-	const int base = 0;
-#endif
-	const u8 *ref;
-	int nbattempts = MAX_NB_ATTEMPTS;
-	int delta = (int)(ip - startlimit);
+	const U32 dictLimit = hc4->dictLimit;
+	const BYTE * const lowPrefixPtr = base + dictLimit;
+	const U32 lowLimit = (hc4->lowLimit + 64 * KB > (U32)(ip - base))
+		? hc4->lowLimit
+		: (U32)(ip - base) - (64 * KB - 1);
+	const BYTE * const dictBase = hc4->dictBase;
+	U32 matchIndex;
+	int nbAttempts = maxNbAttempts;
+	int delta = (int)(ip - iLowLimit);
 
 	/* First Match */
-	lz4hc_insert(hc4, ip);
-	ref = hashtable[HASH_VALUE(ip)] + base;
-
-	while ((ref >= ip - MAX_DISTANCE) && (ref >= hc4->base)
-		&& (nbattempts)) {
-		nbattempts--;
-		if (*(startlimit + longest) == *(ref - delta + longest)) {
-			if (A32(ref) == A32(ip)) {
-				const u8 *reft = ref + MINMATCH;
-				const u8 *ipt = ip + MINMATCH;
-				const u8 *startt = ip;
-
-				while (ipt < matchlimit-(STEPSIZE - 1)) {
-					#if LZ4_ARCH64
-					u64 diff = A64(reft) ^ A64(ipt);
-					#else
-					u32 diff = A32(reft) ^ A32(ipt);
-					#endif
-
-					if (!diff) {
-						ipt += STEPSIZE;
-						reft += STEPSIZE;
-						continue;
+	LZ4HC_Insert(hc4, ip);
+	matchIndex = HashTable[LZ4HC_hashPtr(ip)];
+
+	while ((matchIndex >= lowLimit)
+		&& (nbAttempts)) {
+		nbAttempts--;
+		if (matchIndex >= dictLimit) {
+			const BYTE *matchPtr = base + matchIndex;
+
+			if (*(iLowLimit + longest)
+				== *(matchPtr - delta + longest)) {
+				if (LZ4_read32(matchPtr) == LZ4_read32(ip)) {
+					int mlt = MINMATCH + LZ4_count(
+						ip + MINMATCH,
+						matchPtr + MINMATCH,
+						iHighLimit);
+					int back = 0;
+
+					while ((ip + back > iLowLimit)
+						&& (matchPtr + back > lowPrefixPtr)
+						&& (ip[back - 1] == matchPtr[back - 1]))
+						back--;
+
+					mlt -= back;
+
+					if (mlt > longest) {
+						longest = (int)mlt;
+						*matchpos = matchPtr + back;
+						*startpos = ip + back;
 					}
-					ipt += LZ4_NBCOMMONBYTES(diff);
-					goto _endcount;
-				}
-				#if LZ4_ARCH64
-				if ((ipt < (matchlimit - 3))
-					&& (A32(reft) == A32(ipt))) {
-					ipt += 4;
-					reft += 4;
-				}
-				ipt += 2;
-				#endif
-				if ((ipt < (matchlimit - 1))
-					&& (A16(reft) == A16(ipt))) {
-					reft += 2;
 				}
-				if ((ipt < matchlimit) && (*reft == *ipt))
-					ipt++;
-_endcount:
-				reft = ref;
-
-				while ((startt > startlimit)
-					&& (reft > hc4->base)
-					&& (startt[-1] == reft[-1])) {
-					startt--;
-					reft--;
-				}
-
-				if ((ipt - startt) > longest) {
-					longest = (int)(ipt - startt);
-					*matchpos = reft;
-					*startpos = startt;
+			}
+		} else {
+			const BYTE * const matchPtr = dictBase + matchIndex;
+
+			if (LZ4_read32(matchPtr) == LZ4_read32(ip)) {
+				size_t mlt;
+				int back = 0;
+				const BYTE *vLimit = ip + (dictLimit - matchIndex);
+
+				if (vLimit > iHighLimit)
+					vLimit = iHighLimit;
+
+				mlt = LZ4_count(ip + MINMATCH,
+					matchPtr + MINMATCH, vLimit) + MINMATCH;
+
+				if ((ip + mlt == vLimit) && (vLimit < iHighLimit))
+					mlt += LZ4_count(ip + mlt, base + dictLimit,
+						iHighLimit);
+				while ((ip + back > iLowLimit)
+					&& (matchIndex + back > lowLimit)
+					&& (ip[back - 1] == matchPtr[back - 1]))
+					back--;
+
+				mlt -= back;
+
+				if ((int)mlt > longest) {
+					longest = (int)mlt;
+					*matchpos = base + matchIndex + back;
+					*startpos = ip + back;
 				}
 			}
 		}
-		ref -= (size_t)chaintable[(size_t)(ref) & MAXD_MASK];
+
+		matchIndex -= DELTANEXTU16(matchIndex);
 	}
+
 	return longest;
 }
 
-static inline int lz4_encodesequence(const u8 **ip, u8 **op, const u8 **anchor,
-		int ml, const u8 *ref)
+static FORCE_INLINE int LZ4HC_encodeSequence(
+	const BYTE **ip,
+	BYTE **op,
+	const BYTE **anchor,
+	int matchLength,
+	const BYTE * const match,
+	limitedOutput_directive limitedOutputBuffer,
+	BYTE *oend)
 {
-	int length, len;
-	u8 *token;
+	int length;
+	BYTE *token;
 
 	/* Encode Literal length */
 	length = (int)(*ip - *anchor);
 	token = (*op)++;
+
+	if ((limitedOutputBuffer)
+		&& ((*op + (length>>8)
+			+ length + (2 + 1 + LASTLITERALS)) > oend)) {
+		/* Check output limit */
+		return 1;
+	}
 	if (length >= (int)RUN_MASK) {
-		*token = (RUN_MASK << ML_BITS);
+		int len;
+
+		*token = (RUN_MASK<<ML_BITS);
 		len = length - RUN_MASK;
 		for (; len > 254 ; len -= 255)
 			*(*op)++ = 255;
-		*(*op)++ = (u8)len;
+		*(*op)++ = (BYTE)len;
 	} else
-		*token = (length << ML_BITS);
+		*token = (BYTE)(length<<ML_BITS);
 
 	/* Copy Literals */
-	LZ4_BLINDCOPY(*anchor, *op, length);
+	LZ4_wildCopy(*op, *anchor, (*op) + length);
+	*op += length;
 
 	/* Encode Offset */
-	LZ4_WRITE_LITTLEENDIAN_16(*op, (u16)(*ip - ref));
+	LZ4_writeLE16(*op, (U16)(*ip - match));
+	*op += 2;
 
 	/* Encode MatchLength */
-	len = (int)(ml - MINMATCH);
-	if (len >= (int)ML_MASK) {
+	length = (int)(matchLength - MINMATCH);
+
+	if ((limitedOutputBuffer)
+		&& (*op + (length>>8)
+			+ (1 + LASTLITERALS) > oend)) {
+		/* Check output limit */
+		return 1;
+	}
+
+	if (length >= (int)ML_MASK) {
 		*token += ML_MASK;
-		len -= ML_MASK;
-		for (; len > 509 ; len -= 510) {
+		length -= ML_MASK;
+
+		for (; length > 509 ; length -= 510) {
 			*(*op)++ = 255;
 			*(*op)++ = 255;
 		}
-		if (len > 254) {
-			len -= 255;
+
+		if (length > 254) {
+			length -= 255;
 			*(*op)++ = 255;
 		}
-		*(*op)++ = (u8)len;
+
+		*(*op)++ = (BYTE)length;
 	} else
-		*token += len;
+		*token += (BYTE)(length);
 
 	/* Prepare next loop */
-	*ip += ml;
+	*ip += matchLength;
 	*anchor = *ip;
 
 	return 0;
 }
 
-static int lz4_compresshcctx(struct lz4hc_data *ctx,
-		const char *source,
-		char *dest,
-		int isize)
+static int LZ4HC_compress_generic(
+	LZ4HC_CCtx_internal *const ctx,
+	const char * const source,
+	char * const dest,
+	int const inputSize,
+	int const maxOutputSize,
+	int compressionLevel,
+	limitedOutput_directive limit
+	)
 {
-	const u8 *ip = (const u8 *)source;
-	const u8 *anchor = ip;
-	const u8 *const iend = ip + isize;
-	const u8 *const mflimit = iend - MFLIMIT;
-	const u8 *const matchlimit = (iend - LASTLITERALS);
+	const BYTE *ip = (const BYTE *) source;
+	const BYTE *anchor = ip;
+	const BYTE * const iend = ip + inputSize;
+	const BYTE * const mflimit = iend - MFLIMIT;
+	const BYTE * const matchlimit = (iend - LASTLITERALS);
 
-	u8 *op = (u8 *)dest;
+	BYTE *op = (BYTE *) dest;
+	BYTE * const oend = op + maxOutputSize;
 
+	unsigned int maxNbAttempts;
 	int ml, ml2, ml3, ml0;
-	const u8 *ref = NULL;
-	const u8 *start2 = NULL;
-	const u8 *ref2 = NULL;
-	const u8 *start3 = NULL;
-	const u8 *ref3 = NULL;
-	const u8 *start0;
-	const u8 *ref0;
-	int lastrun;
+	const BYTE *ref = NULL;
+	const BYTE *start2 = NULL;
+	const BYTE *ref2 = NULL;
+	const BYTE *start3 = NULL;
+	const BYTE *ref3 = NULL;
+	const BYTE *start0;
+	const BYTE *ref0;
+
+	/* init */
+	if (compressionLevel > LZ4HC_MAX_CLEVEL)
+		compressionLevel = LZ4HC_MAX_CLEVEL;
+	if (compressionLevel < 1)
+		compressionLevel = LZ4HC_DEFAULT_CLEVEL;
+	maxNbAttempts = 1 << (compressionLevel - 1);
+	ctx->end += inputSize;
 
 	ip++;
 
 	/* Main Loop */
 	while (ip < mflimit) {
-		ml = lz4hc_insertandfindbestmatch(ctx, ip, matchlimit, (&ref));
+		ml = LZ4HC_InsertAndFindBestMatch(ctx, ip,
+			matchlimit, (&ref), maxNbAttempts);
 		if (!ml) {
 			ip++;
 			continue;
@@ -351,51 +387,59 @@ static int lz4_compresshcctx(struct lz4hc_data *ctx,
 		start0 = ip;
 		ref0 = ref;
 		ml0 = ml;
-_search2:
-		if (ip+ml < mflimit)
-			ml2 = lz4hc_insertandgetwidermatch(ctx, ip + ml - 2,
-				ip + 1, matchlimit, ml, &ref2, &start2);
+
+_Search2:
+		if (ip + ml < mflimit)
+			ml2 = LZ4HC_InsertAndGetWiderMatch(ctx,
+				ip + ml - 2, ip + 0,
+				matchlimit, ml, &ref2,
+				&start2, maxNbAttempts);
 		else
 			ml2 = ml;
-		/* No better match */
+
 		if (ml2 == ml) {
-			lz4_encodesequence(&ip, &op, &anchor, ml, ref);
+			/* No better match */
+			if (LZ4HC_encodeSequence(&ip, &op,
+				&anchor, ml, ref, limit, oend))
+				return 0;
 			continue;
 		}
 
 		if (start0 < ip) {
-			/* empirical */
 			if (start2 < ip + ml0) {
+				/* empirical */
 				ip = start0;
 				ref = ref0;
 				ml = ml0;
 			}
 		}
-		/*
-		 * Here, start0==ip
-		 * First Match too small : removed
-		 */
+
+		/* Here, start0 == ip */
 		if ((start2 - ip) < 3) {
+			/* First Match too small : removed */
 			ml = ml2;
 			ip = start2;
 			ref = ref2;
-			goto _search2;
+			goto _Search2;
 		}
 
-_search3:
+_Search3:
 		/*
-		 * Currently we have :
-		 * ml2 > ml1, and
-		 * ip1+3 <= ip2 (usually < ip1+ml1)
-		 */
+		* Currently we have :
+		* ml2 > ml1, and
+		* ip1 + 3 <= ip2 (usually < ip1 + ml1)
+		*/
 		if ((start2 - ip) < OPTIMAL_ML) {
 			int correction;
 			int new_ml = ml;
+
 			if (new_ml > OPTIMAL_ML)
 				new_ml = OPTIMAL_ML;
 			if (ip + new_ml > start2 + ml2 - MINMATCH)
 				new_ml = (int)(start2 - ip) + ml2 - MINMATCH;
+
 			correction = new_ml - (int)(start2 - ip);
+
 			if (correction > 0) {
 				start2 += correction;
 				ref2 += correction;
@@ -403,39 +447,44 @@ _search3:
 			}
 		}
 		/*
-		 * Now, we have start2 = ip+new_ml,
-		 * with new_ml=min(ml, OPTIMAL_ML=18)
+		 * Now, we have start2 = ip + new_ml,
+		 * with new_ml = min(ml, OPTIMAL_ML = 18)
 		 */
+
 		if (start2 + ml2 < mflimit)
-			ml3 = lz4hc_insertandgetwidermatch(ctx,
-				start2 + ml2 - 3, start2, matchlimit,
-				ml2, &ref3, &start3);
+			ml3 = LZ4HC_InsertAndGetWiderMatch(ctx,
+				start2 + ml2 - 3, start2,
+				matchlimit, ml2, &ref3, &start3,
+				maxNbAttempts);
 		else
 			ml3 = ml2;
 
-		/* No better match : 2 sequences to encode */
 		if (ml3 == ml2) {
+			/* No better match : 2 sequences to encode */
 			/* ip & ref are known; Now for ml */
-			if (start2 < ip+ml)
+			if (start2 < ip + ml)
 				ml = (int)(start2 - ip);
-
 			/* Now, encode 2 sequences */
-			lz4_encodesequence(&ip, &op, &anchor, ml, ref);
+			if (LZ4HC_encodeSequence(&ip, &op, &anchor,
+				ml, ref, limit, oend))
+				return 0;
 			ip = start2;
-			lz4_encodesequence(&ip, &op, &anchor, ml2, ref2);
+			if (LZ4HC_encodeSequence(&ip, &op, &anchor,
+				ml2, ref2, limit, oend))
+				return 0;
 			continue;
 		}
 
-		/* Not enough space for match 2 : remove it */
 		if (start3 < ip + ml + 3) {
-			/*
-			 * can write Seq1 immediately ==> Seq2 is removed,
-			 * so Seq3 becomes Seq1
-			 */
+			/* Not enough space for match 2 : remove it */
 			if (start3 >= (ip + ml)) {
+				/* can write Seq1 immediately
+				 * ==> Seq2 is removed,
+				 * so Seq3 becomes Seq1
+				 */
 				if (start2 < ip + ml) {
-					int correction =
-						(int)(ip + ml - start2);
+					int correction = (int)(ip + ml - start2);
+
 					start2 += correction;
 					ref2 += correction;
 					ml2 -= correction;
@@ -446,35 +495,38 @@ _search3:
 					}
 				}
 
-				lz4_encodesequence(&ip, &op, &anchor, ml, ref);
-				ip  = start3;
+				if (LZ4HC_encodeSequence(&ip, &op, &anchor,
+					ml, ref, limit, oend))
+					return 0;
+				ip = start3;
 				ref = ref3;
-				ml  = ml3;
+				ml = ml3;
 
 				start0 = start2;
 				ref0 = ref2;
 				ml0 = ml2;
-				goto _search2;
+				goto _Search2;
 			}
 
 			start2 = start3;
 			ref2 = ref3;
 			ml2 = ml3;
-			goto _search3;
+			goto _Search3;
 		}
 
 		/*
-		 * OK, now we have 3 ascending matches; let's write at least
-		 * the first one ip & ref are known; Now for ml
-		 */
+		* OK, now we have 3 ascending matches;
+		* let's write at least the first one
+		* ip & ref are known; Now for ml
+		*/
 		if (start2 < ip + ml) {
 			if ((start2 - ip) < (int)ML_MASK) {
 				int correction;
+
 				if (ml > OPTIMAL_ML)
 					ml = OPTIMAL_ML;
 				if (ip + ml > start2 + ml2 - MINMATCH)
-					ml = (int)(start2 - ip) + ml2
-						- MINMATCH;
+					ml = (int)(start2 - ip) + ml2 - MINMATCH;
 				correction = ml - (int)(start2 - ip);
 				if (correction > 0) {
 					start2 += correction;
@@ -484,7 +536,9 @@ _search3:
 			} else
 				ml = (int)(start2 - ip);
 		}
-		lz4_encodesequence(&ip, &op, &anchor, ml, ref);
+		if (LZ4HC_encodeSequence(&ip, &op, &anchor, ml,
+			ref, limit, oend))
+			return 0;
 
 		ip = start2;
 		ref = ref2;
@@ -494,46 +548,222 @@ _search3:
 		ref2 = ref3;
 		ml2 = ml3;
 
-		goto _search3;
+		goto _Search3;
 	}
 
 	/* Encode Last Literals */
-	lastrun = (int)(iend - anchor);
-	if (lastrun >= (int)RUN_MASK) {
-		*op++ = (RUN_MASK << ML_BITS);
-		lastrun -= RUN_MASK;
-		for (; lastrun > 254 ; lastrun -= 255)
-			*op++ = 255;
-		*op++ = (u8) lastrun;
-	} else
-		*op++ = (lastrun << ML_BITS);
-	memcpy(op, anchor, iend - anchor);
-	op += iend - anchor;
+	{
+		int lastRun = (int)(iend - anchor);
+
+		if ((limit)
+			&& (((char *)op - dest) + lastRun + 1
+				+ ((lastRun + 255 - RUN_MASK)/255)
+					> (U32)maxOutputSize)) {
+			/* Check output limit */
+			return 0;
+		}
+		if (lastRun >= (int)RUN_MASK) {
+			*op++ = (RUN_MASK<<ML_BITS);
+			lastRun -= RUN_MASK;
+			for (; lastRun > 254 ; lastRun -= 255)
+				*op++ = 255;
+			*op++ = (BYTE) lastRun;
+		} else
+			*op++ = (BYTE)(lastRun<<ML_BITS);
+		memcpy(op, anchor, iend - anchor);
+		op += iend - anchor;
+	}
+
 	/* End */
 	return (int) (((char *)op) - dest);
 }
 
-int lz4hc_compress(const unsigned char *src, size_t src_len,
-			unsigned char *dst, size_t *dst_len, void *wrkmem)
+static int LZ4_compress_HC_extStateHC(
+	void *state,
+	const char *src,
+	char *dst,
+	int srcSize,
+	int maxDstSize,
+	int compressionLevel)
 {
-	int ret = -1;
-	int out_len = 0;
+	LZ4HC_CCtx_internal *ctx = &((LZ4_streamHC_t *)state)->internal_donotuse;
 
-	struct lz4hc_data *hc4 = (struct lz4hc_data *)wrkmem;
-	lz4hc_init(hc4, (const u8 *)src);
-	out_len = lz4_compresshcctx((struct lz4hc_data *)hc4, (const u8 *)src,
-		(char *)dst, (int)src_len);
+	if (((size_t)(state)&(sizeof(void *) - 1)) != 0) {
+		/* Error : state is not aligned
+		 * for pointers (32 or 64 bits)
+		 */
+		return 0;
+	}
 
-	if (out_len < 0)
-		goto exit;
+	LZ4HC_init(ctx, (const BYTE *)src);
 
-	*dst_len = out_len;
-	return 0;
+	if (maxDstSize < LZ4_compressBound(srcSize))
+		return LZ4HC_compress_generic(ctx, src, dst,
+			srcSize, maxDstSize, compressionLevel, limitedOutput);
+	else
+		return LZ4HC_compress_generic(ctx, src, dst,
+			srcSize, maxDstSize, compressionLevel, noLimit);
+}
+
+int LZ4_compress_HC(const char *src, char *dst, int srcSize,
+	int maxDstSize, int compressionLevel, void *wrkmem)
+{
+	return LZ4_compress_HC_extStateHC(wrkmem, src, dst,
+		srcSize, maxDstSize, compressionLevel);
+}
+EXPORT_SYMBOL(LZ4_compress_HC);
+
+/**************************************
+ *	Streaming Functions
+ **************************************/
+void LZ4_resetStreamHC(LZ4_streamHC_t *LZ4_streamHCPtr, int compressionLevel)
+{
+	LZ4_streamHCPtr->internal_donotuse.base = NULL;
+	LZ4_streamHCPtr->internal_donotuse.compressionLevel = (unsigned int)compressionLevel;
+}
+
+int LZ4_loadDictHC(LZ4_streamHC_t *LZ4_streamHCPtr,
+	const char *dictionary,
+	int dictSize)
+{
+	LZ4HC_CCtx_internal *ctxPtr = &LZ4_streamHCPtr->internal_donotuse;
+
+	if (dictSize > 64 * KB) {
+		dictionary += dictSize - 64 * KB;
+		dictSize = 64 * KB;
+	}
+	LZ4HC_init(ctxPtr, (const BYTE *)dictionary);
+	if (dictSize >= 4)
+		LZ4HC_Insert(ctxPtr, (const BYTE *)dictionary + (dictSize - 3));
+	ctxPtr->end = (const BYTE *)dictionary + dictSize;
+	return dictSize;
+}
+EXPORT_SYMBOL(LZ4_loadDictHC);
 
-exit:
-	return ret;
+/* compression */
+
+static void LZ4HC_setExternalDict(
+	LZ4HC_CCtx_internal *ctxPtr,
+	const BYTE *newBlock)
+{
+	if (ctxPtr->end >= ctxPtr->base + 4) {
+		/* Referencing remaining dictionary content */
+		LZ4HC_Insert(ctxPtr, ctxPtr->end - 3);
+	}
+
+	/*
+	 * Only one memory segment for extDict,
+	 * so any previous extDict is lost at this stage
+	 */
+	ctxPtr->lowLimit	= ctxPtr->dictLimit;
+	ctxPtr->dictLimit = (U32)(ctxPtr->end - ctxPtr->base);
+	ctxPtr->dictBase	= ctxPtr->base;
+	ctxPtr->base = newBlock - ctxPtr->dictLimit;
+	ctxPtr->end	= newBlock;
+	/* match referencing will resume from there */
+	ctxPtr->nextToUpdate = ctxPtr->dictLimit;
+}
+EXPORT_SYMBOL(LZ4HC_setExternalDict);
+
+static int LZ4_compressHC_continue_generic(
+	LZ4_streamHC_t *LZ4_streamHCPtr,
+	const char *source,
+	char *dest,
+	int inputSize,
+	int maxOutputSize,
+	limitedOutput_directive limit)
+{
+	LZ4HC_CCtx_internal *ctxPtr = &LZ4_streamHCPtr->internal_donotuse;
+
+	/* auto - init if forgotten */
+	if (ctxPtr->base == NULL)
+		LZ4HC_init(ctxPtr, (const BYTE *) source);
+
+	/* Check overflow */
+	if ((size_t)(ctxPtr->end - ctxPtr->base) > 2 * GB) {
+		size_t dictSize = (size_t)(ctxPtr->end - ctxPtr->base)
+			- ctxPtr->dictLimit;
+		if (dictSize > 64 * KB)
+			dictSize = 64 * KB;
+		LZ4_loadDictHC(LZ4_streamHCPtr,
+			(const char *)(ctxPtr->end) - dictSize, (int)dictSize);
+	}
+
+	/* Check if blocks follow each other */
+	if ((const BYTE *)source != ctxPtr->end)
+		LZ4HC_setExternalDict(ctxPtr, (const BYTE *)source);
+
+	/* Check overlapping input/dictionary space */
+	{
+		const BYTE *sourceEnd = (const BYTE *) source + inputSize;
+		const BYTE * const dictBegin = ctxPtr->dictBase + ctxPtr->lowLimit;
+		const BYTE * const dictEnd = ctxPtr->dictBase + ctxPtr->dictLimit;
+
+		if ((sourceEnd > dictBegin)
+			&& ((const BYTE *)source < dictEnd)) {
+			if (sourceEnd > dictEnd)
+				sourceEnd = dictEnd;
+			ctxPtr->lowLimit = (U32)(sourceEnd - ctxPtr->dictBase);
+
+			if (ctxPtr->dictLimit - ctxPtr->lowLimit < 4)
+				ctxPtr->lowLimit = ctxPtr->dictLimit;
+		}
+	}
+
+	return LZ4HC_compress_generic(ctxPtr, source, dest,
+		inputSize, maxOutputSize, ctxPtr->compressionLevel, limit);
+}
+
+int LZ4_compress_HC_continue(
+	LZ4_streamHC_t *LZ4_streamHCPtr,
+	const char *source,
+	char *dest,
+	int inputSize,
+	int maxOutputSize)
+{
+	if (maxOutputSize < LZ4_compressBound(inputSize))
+		return LZ4_compressHC_continue_generic(LZ4_streamHCPtr,
+			source, dest, inputSize, maxOutputSize, limitedOutput);
+	else
+		return LZ4_compressHC_continue_generic(LZ4_streamHCPtr,
+			source, dest, inputSize, maxOutputSize, noLimit);
+}
+EXPORT_SYMBOL(LZ4_compress_HC_continue);
+
+/* dictionary saving */
+
+int LZ4_saveDictHC(
+	LZ4_streamHC_t *LZ4_streamHCPtr,
+	char *safeBuffer,
+	int dictSize)
+{
+	LZ4HC_CCtx_internal *const streamPtr = &LZ4_streamHCPtr->internal_donotuse;
+	int const prefixSize = (int)(streamPtr->end
+		- (streamPtr->base + streamPtr->dictLimit));
+
+	if (dictSize > 64 * KB)
+		dictSize = 64 * KB;
+	if (dictSize < 4)
+		dictSize = 0;
+	if (dictSize > prefixSize)
+		dictSize = prefixSize;
+
+	memmove(safeBuffer, streamPtr->end - dictSize, dictSize);
+
+	{
+		U32 const endIndex = (U32)(streamPtr->end - streamPtr->base);
+
+		streamPtr->end = (const BYTE *)safeBuffer + dictSize;
+		streamPtr->base = streamPtr->end - endIndex;
+		streamPtr->dictLimit = endIndex - dictSize;
+		streamPtr->lowLimit = endIndex - dictSize;
+
+		if (streamPtr->nextToUpdate < streamPtr->dictLimit)
+			streamPtr->nextToUpdate = streamPtr->dictLimit;
+	}
+	return dictSize;
 }
-EXPORT_SYMBOL(lz4hc_compress);
+EXPORT_SYMBOL(LZ4_saveDictHC);
 
 MODULE_LICENSE("Dual BSD/GPL");
-MODULE_DESCRIPTION("LZ4HC compressor");
+MODULE_DESCRIPTION("LZ4 HC compressor");
diff --git a/lib/rbtree.c b/lib/rbtree.c
index 1f8b112a7c35..4ba2828a67c0 100644
--- a/lib/rbtree.c
+++ b/lib/rbtree.c
@@ -427,7 +427,9 @@ static inline void dummy_copy(struct rb_node *old, struct rb_node *new) {}
 static inline void dummy_rotate(struct rb_node *old, struct rb_node *new) {}
 
 static const struct rb_augment_callbacks dummy_callbacks = {
-	dummy_propagate, dummy_copy, dummy_rotate
+	.propagate = dummy_propagate,
+	.copy = dummy_copy,
+	.rotate = dummy_rotate
 };
 
 void rb_insert_color(struct rb_node *node, struct rb_root *root)
diff --git a/lib/sort.c b/lib/sort.c
index fc20df42aa6f..975c6ef6fec7 100644
--- a/lib/sort.c
+++ b/lib/sort.c
@@ -4,6 +4,8 @@
  * Jan 23 2005  Matt Mackall <mpm@selenic.com>
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/types.h>
 #include <linux/export.h>
 #include <linux/sort.h>
@@ -101,42 +103,3 @@ void sort(void *base, size_t num, size_t size,
 }
 
 EXPORT_SYMBOL(sort);
-
-#if 0
-#include <linux/slab.h>
-/* a simple boot-time regression test */
-
-int cmpint(const void *a, const void *b)
-{
-	return *(int *)a - *(int *)b;
-}
-
-static int sort_test(void)
-{
-	int *a, i, r = 1;
-
-	a = kmalloc(1000 * sizeof(int), GFP_KERNEL);
-	BUG_ON(!a);
-
-	printk("testing sort()\n");
-
-	for (i = 0; i < 1000; i++) {
-		r = (r * 725861) % 6599;
-		a[i] = r;
-	}
-
-	sort(a, 1000, sizeof(int), cmpint, NULL);
-
-	for (i = 0; i < 999; i++)
-		if (a[i] > a[i+1]) {
-			printk("sort() failed!\n");
-			break;
-		}
-
-	kfree(a);
-
-	return 0;
-}
-
-module_init(sort_test);
-#endif
diff --git a/lib/test_kasan.c b/lib/test_kasan.c
index fbdf87920093..0b1d3140fbb8 100644
--- a/lib/test_kasan.c
+++ b/lib/test_kasan.c
@@ -11,6 +11,7 @@
 
 #define pr_fmt(fmt) "kasan test: %s " fmt, __func__
 
+#include <linux/delay.h>
 #include <linux/kernel.h>
 #include <linux/mman.h>
 #include <linux/mm.h>
@@ -331,6 +332,38 @@ static noinline void __init kmem_cache_oob(void)
 	kmem_cache_destroy(cache);
 }
 
+static noinline void __init memcg_accounted_kmem_cache(void)
+{
+	int i;
+	char *p;
+	size_t size = 200;
+	struct kmem_cache *cache;
+
+	cache = kmem_cache_create("test_cache", size, 0, SLAB_ACCOUNT, NULL);
+	if (!cache) {
+		pr_err("Cache allocation failed\n");
+		return;
+	}
+
+	pr_info("allocate memcg accounted object\n");
+	/*
+	 * Several allocations with a delay to allow for lazy per memcg kmem
+	 * cache creation.
+	 */
+	for (i = 0; i < 5; i++) {
+		p = kmem_cache_alloc(cache, GFP_KERNEL);
+		if (!p) {
+			pr_err("Allocation failed\n");
+			goto free_cache;
+		}
+		kmem_cache_free(cache, p);
+		msleep(100);
+	}
+
+free_cache:
+	kmem_cache_destroy(cache);
+}
+
 static char global_array[10];
 
 static noinline void __init kasan_global_oob(void)
@@ -460,6 +493,7 @@ static int __init kmalloc_tests_init(void)
 	kmalloc_uaf_memset();
 	kmalloc_uaf2();
 	kmem_cache_oob();
+	memcg_accounted_kmem_cache();
 	kasan_stack_oob();
 	kasan_global_oob();
 	ksize_unpoisons_memory();
diff --git a/lib/test_sort.c b/lib/test_sort.c
new file mode 100644
index 000000000000..4db3911db50a
--- /dev/null
+++ b/lib/test_sort.c
@@ -0,0 +1,44 @@
+#include <linux/sort.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+
+/*
+ * A simple boot-time regression test
+ * License: GPL
+ */
+
+#define TEST_LEN 1000
+
+static int __init cmpint(const void *a, const void *b)
+{
+	return *(int *)a - *(int *)b;
+}
+
+static int __init test_sort_init(void)
+{
+	int *a, i, r = 1, err = -ENOMEM;
+
+	a = kmalloc_array(TEST_LEN, sizeof(*a), GFP_KERNEL);
+	if (!a)
+		return err;
+
+	for (i = 0; i < TEST_LEN; i++) {
+		r = (r * 725861) % 6599;
+		a[i] = r;
+	}
+
+	sort(a, TEST_LEN, sizeof(*a), cmpint, NULL);
+
+	err = -EINVAL;
+	for (i = 0; i < TEST_LEN-1; i++)
+		if (a[i] > a[i+1]) {
+			pr_err("test has failed\n");
+			goto exit;
+		}
+	err = 0;
+	pr_info("test passed\n");
+exit:
+	kfree(a);
+	return err;
+}
+subsys_initcall(test_sort_init);