]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: af6cc80) | patch
mm: page lock use lock bitops
authorNick Piggin <npiggin@suse.de>
Sun, 19 Oct 2008 03:26:59 +0000 (20:26 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 20 Oct 2008 15:52:32 +0000 (08:52 -0700)
commit5662d8ef2a4c307f3aecc7879e39c520f2296e8b
treefcee6ff670dcfccf895a48e92d27f52902d34301tree | snapshot
parentaf6cc80059d79fa49efd59354213f86bbcae8f8bcommit | diff
mm: page lock use lock bitops

trylock_page, unlock_page open and close a critical section. Hence,
we can use the lock bitops to get the desired memory ordering.

Also, mark trylock as likely to succeed (and remove the annotation from
callers).

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/pagemap.h diff | blob | history
mm/filemap.c diff | blob | history
mm/swapfile.c diff | blob | history
Linux Kernel Source Tree.