From: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Date: Wed, 10 Oct 2012 22:53:55 +0000 (-0700)
Subject: mm: compaction: fix bit ranges in {get,clear,set}_pageblock_skip()
X-Git-Tag: v3.7-rc1~53^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=627260595ca6abcb16d68a3732bac6b547e112d6;p=pandora-kernel.git

mm: compaction: fix bit ranges in {get,clear,set}_pageblock_skip()

{get,clear,set}_pageblock_skip() use incorrect bit ranges (please compare
to bit ranges used by {get,set}_pageblock_flags() used for migration
types) and can overwrite pageblock migratetype of the next pageblock in
the bitmap.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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