From: Nick Piggin <npiggin@suse.de>
Date: Sun, 19 Oct 2008 03:26:58 +0000 (-0700)
Subject: mm: unlockless reclaim
X-Git-Tag: v2.6.28-rc1~219
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a978d6f521063514812a7094dbe5036e056e4de3;p=pandora-kernel.git

mm: unlockless reclaim

unlock_page is fairly expensive.  It can be avoided in page reclaim
success path.  By definition if we have any other references to the page
it would be a bug anyway.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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