From: Nick Piggin <npiggin@suse.de>
Date: Tue, 20 Jul 2010 20:24:25 +0000 (-0700)
Subject: mm/vmscan.c: fix mapping use after free
X-Git-Tag: v2.6.35-rc6~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a6aa62a0909b9ccb1f8b0d2653920ba071037972;p=pandora-kernel.git

mm/vmscan.c: fix mapping use after free

We need lock_page_nosync() here because we have no reference to the
mapping when taking the page lock.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Reviewed-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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