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| author | Peter Zijlstra | 2011-05-25 02:12:13 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2011-05-25 17:39:20 +0200 |
| commit | 88c22088bf235f50b09a10bd9f022b0472bcb6b5 (patch) | |
| tree | 8859c39a8e48bf41b5bd48e9e279571ca56ec1b0 /mm/memory.c | |
| parent | mm: convert anon_vma->lock to a mutex (diff) | |
| download | kernel-qcow2-linux-88c22088bf235f50b09a10bd9f022b0472bcb6b5.tar.gz kernel-qcow2-linux-88c22088bf235f50b09a10bd9f022b0472bcb6b5.tar.xz kernel-qcow2-linux-88c22088bf235f50b09a10bd9f022b0472bcb6b5.zip | |
mm: optimize page_lock_anon_vma() fast-path
Optimize the page_lock_anon_vma() fast path to be one atomic op, instead
of two.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Miller <davem@davemloft.net>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Nick Piggin <npiggin@kernel.dk>
Cc: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
0 files changed, 0 insertions, 0 deletions