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| author | Nick Piggin | 2008-10-19 05:26:59 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2008-10-20 17:52:32 +0200 |
| commit | 8413ac9d8c9a1366a4f57880723126cd24e5a5c3 (patch) | |
| tree | fcee6ff670dcfccf895a48e92d27f52902d34301 /fs/buffer.c | |
| parent | mm: unlockless reclaim (diff) | |
| download | kernel-qcow2-linux-8413ac9d8c9a1366a4f57880723126cd24e5a5c3.tar.gz kernel-qcow2-linux-8413ac9d8c9a1366a4f57880723126cd24e5a5c3.tar.xz kernel-qcow2-linux-8413ac9d8c9a1366a4f57880723126cd24e5a5c3.zip | |
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>
Diffstat (limited to 'fs/buffer.c')
0 files changed, 0 insertions, 0 deletions