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authorMel Gorman <mgorman@suse.de>2015-09-05 00:47:38 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2015-09-05 01:54:41 +0200
commitc7e1e3ccfbd153c890240a391f258efaedfa94d0 (patch)
tree4a17021d74b49f23aa2a7888bc9ecd5026dd8f9d /Documentation/features
parentmm: defer flush of writable TLB entries (diff)
downloadlinux-c7e1e3ccfbd153c890240a391f258efaedfa94d0.tar.xz
linux-c7e1e3ccfbd153c890240a391f258efaedfa94d0.zip
Documentation/features/vm: add feature description and arch support status for batched TLB flush after unmap
Signed-off-by: Mel Gorman <mgorman@suse.de> Acked-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/features')
-rw-r--r--Documentation/features/vm/TLB/arch-support.txt40
1 files changed, 40 insertions, 0 deletions
diff --git a/Documentation/features/vm/TLB/arch-support.txt b/Documentation/features/vm/TLB/arch-support.txt
new file mode 100644
index 000000000000..261b92e2fb1a
--- /dev/null
+++ b/Documentation/features/vm/TLB/arch-support.txt
@@ -0,0 +1,40 @@
+#
+# Feature name: batch-unmap-tlb-flush
+# Kconfig: ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH
+# description: arch supports deferral of TLB flush until multiple pages are unmapped
+#
+ -----------------------
+ | arch |status|
+ -----------------------
+ | alpha: | TODO |
+ | arc: | TODO |
+ | arm: | TODO |
+ | arm64: | TODO |
+ | avr32: | .. |
+ | blackfin: | TODO |
+ | c6x: | .. |
+ | cris: | .. |
+ | frv: | .. |
+ | h8300: | .. |
+ | hexagon: | TODO |
+ | ia64: | TODO |
+ | m32r: | TODO |
+ | m68k: | .. |
+ | metag: | TODO |
+ | microblaze: | .. |
+ | mips: | TODO |
+ | mn10300: | TODO |
+ | nios2: | .. |
+ | openrisc: | .. |
+ | parisc: | TODO |
+ | powerpc: | TODO |
+ | s390: | TODO |
+ | score: | .. |
+ | sh: | TODO |
+ | sparc: | TODO |
+ | tile: | TODO |
+ | um: | .. |
+ | unicore32: | .. |
+ | x86: | ok |
+ | xtensa: | TODO |
+ -----------------------