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authorDon Mullis <don.mullis@gmail.com>2010-03-05 22:43:16 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-06 20:26:35 +0100
commita069c266ae5fdfbf5b4aecf2c672413aa33b2504 (patch)
tree2f9731d8475fc5b2d942cac004904db8e49d5428
parentlib: revise list_sort() header comment (diff)
downloadlinux-a069c266ae5fdfbf5b4aecf2c672413aa33b2504.tar.xz
linux-a069c266ae5fdfbf5b4aecf2c672413aa33b2504.zip
lib: build list_sort() only if needed
Build list_sort() only for configs that need it -- those that don't save ~581 bytes (i386). Signed-off-by: Don Mullis <don.mullis@gmail.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Dave Chinner <david@fromorbit.com> Cc: Artem Bityutskiy <dedekind@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/gpu/drm/Kconfig1
-rw-r--r--fs/ubifs/Kconfig1
-rw-r--r--lib/Kconfig3
-rw-r--r--lib/Makefile3
4 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 305c59003963..3d2ab03f1296 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -9,6 +9,7 @@ menuconfig DRM
depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG && MMU
select I2C
select I2C_ALGOBIT
+ select LIST_SORT
help
Kernel-level support for the Direct Rendering Infrastructure (DRI)
introduced in XFree86 4.0. If you say Y here, you need to select
diff --git a/fs/ubifs/Kconfig b/fs/ubifs/Kconfig
index 830e3f76f442..430c69f39842 100644
--- a/fs/ubifs/Kconfig
+++ b/fs/ubifs/Kconfig
@@ -7,6 +7,7 @@ config UBIFS_FS
select CRYPTO if UBIFS_FS_ZLIB
select CRYPTO_LZO if UBIFS_FS_LZO
select CRYPTO_DEFLATE if UBIFS_FS_ZLIB
+ select LIST_SORT
depends on MTD_UBI
help
UBIFS is a file system for flash devices which works on top of UBI.
diff --git a/lib/Kconfig b/lib/Kconfig
index 97b136ff117e..8034c46327cb 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -160,6 +160,9 @@ config TEXTSEARCH_BM
config TEXTSEARCH_FSM
tristate
+config LIST_SORT
+ boolean
+
config HAS_IOMEM
boolean
depends on !NO_IOMEM
diff --git a/lib/Makefile b/lib/Makefile
index 3b0b4a696db9..e39c361b0be3 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -21,7 +21,7 @@ lib-y += kobject.o kref.o klist.o
obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \
- string_helpers.o gcd.o list_sort.o
+ string_helpers.o gcd.o
ifeq ($(CONFIG_DEBUG_KOBJECT),y)
CFLAGS_kobject.o += -DDEBUG
@@ -40,6 +40,7 @@ lib-$(CONFIG_GENERIC_FIND_FIRST_BIT) += find_next_bit.o
lib-$(CONFIG_GENERIC_FIND_NEXT_BIT) += find_next_bit.o
obj-$(CONFIG_GENERIC_FIND_LAST_BIT) += find_last_bit.o
obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
+obj-$(CONFIG_LIST_SORT) += list_sort.o
obj-$(CONFIG_LOCK_KERNEL) += kernel_lock.o
obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
obj-$(CONFIG_DEBUG_LIST) += list_debug.o