From: Nick Piggin <npiggin@suse.de>
Date: Sun, 19 Oct 2008 03:26:59 +0000 (-0700)
Subject: mm: page lock use lock bitops
X-Git-Tag: v2.6.28-rc1~218
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8413ac9d8c9a1366a4f57880723126cd24e5a5c3;p=pandora-kernel.git

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>
---

Reading git-diff-tree failed