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| author | Naoya Horiguchi | 2010-09-08 03:19:36 +0200 |
|---|---|---|
| committer | Andi Kleen | 2010-10-08 09:32:45 +0200 |
| commit | 6de2b1aab94355482bd2accdc115666509667458 (patch) | |
| tree | 630a88dd5afe2c49a428179770140b22bbc9d7da /mm/backing-dev.c | |
| parent | hugetlb: hugepage migration core (diff) | |
| download | kernel-qcow2-linux-6de2b1aab94355482bd2accdc115666509667458.tar.gz kernel-qcow2-linux-6de2b1aab94355482bd2accdc115666509667458.tar.xz kernel-qcow2-linux-6de2b1aab94355482bd2accdc115666509667458.zip | |
HWPOISON, hugetlb: add free check to dequeue_hwpoison_huge_page()
This check is necessary to avoid race between dequeue and allocation,
which can cause a free hugepage to be dequeued twice and get kernel unstable.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Diffstat (limited to 'mm/backing-dev.c')
0 files changed, 0 insertions, 0 deletions