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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2014-08-13 12:32:02 +0530
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2014-08-13 18:20:41 +1000
commit7e467245bf5226db34c4b12d3cbacfa2f7a15a8b (patch)
tree943f6aa4fe6c82e64372cbac2f5e2f94dc015419 /mm/zbud.c
parent969b7b208f7408712a3526856e4ae60ad13f6928 (diff)
downloadlinux-7e467245bf5226db34c4b12d3cbacfa2f7a15a8b.tar.bz2
powerpc/thp: Use ACCESS_ONCE when loading pmdp
We would get wrong results in compiler recomputed old_pmd. Avoid that by using ACCESS_ONCE CC: <stable@vger.kernel.org> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'mm/zbud.c')
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