| commit | 8413ac9d8c9a1366a4f57880723126cd24e5a5c3 | [log] [tgz] |
|---|---|---|
| author | Nick Piggin <npiggin@suse.de> | Sat Oct 18 20:26:59 2008 -0700 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Mon Oct 20 08:52:32 2008 -0700 |
| tree | fcee6ff670dcfccf895a48e92d27f52902d34301 | |
| parent | a978d6f521063514812a7094dbe5036e056e4de3 [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>