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(parent: cda73a1) | patch
sched: numa: ksm: fix oops in task_numa_placment()
authorHugh Dickins <[email protected]>
Thu, 20 Dec 2012 01:42:16 +0000 (17:42 -0800)
committerLinus Torvalds <[email protected]>
Thu, 20 Dec 2012 15:06:56 +0000 (07:06 -0800)
commit2832bc19f6668fd00116f61f821105040599ef8b
tree9839b9321ab7c3dc86f003d69cae522a78d02f20tree | snapshot
parentcda73a10eb3f493871ed39f468db50a65ebeddcecommit | diff
sched: numa: ksm: fix oops in task_numa_placment()

task_numa_placement() oopsed on NULL p->mm when task_numa_fault() got
called in the handling of break_ksm() for ksmd.  That might be a
peculiar case, which perhaps KSM could takes steps to avoid? but it's
more robust if task_numa_placement() allows for such a possibility.

Signed-off-by: Hugh Dickins <[email protected]>
Acked-by: Mel Gorman <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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