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(parent: 9bbd9aa) | patch
mm/page_alloc: protect pcp->batch accesses with ACCESS_ONCE
authorCody P Schafer <cody@linux.vnet.ibm.com>
Thu, 23 May 2013 00:37:12 +0000 (10:37 +1000)
committerStephen Rothwell <sfr@canb.auug.org.au>
Mon, 27 May 2013 06:09:01 +0000 (16:09 +1000)
commitf67412d74e476c5459a0eef88e067982d8092271
tree3b438e8dd0ed9375486e2904a931d4b7c9ed2cfetree | snapshot
parent9bbd9aab571f3e411fda36fdd5d13301a0afdab5commit | diff
mm/page_alloc: protect pcp->batch accesses with ACCESS_ONCE

pcp->batch could change at any point, avoid relying on it being a stable
value.

Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Cc: Gilad Ben-Yossef <gilad@benyossef.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/page_alloc.c diff | blob | history
Linux kernel for KaRo TX COM modules