commit | 6de2b1aab94355482bd2accdc115666509667458 | [log] [tgz] |
---|---|---|
author | Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> | Wed Sep 08 10:19:36 2010 +0900 |
committer | Andi Kleen <ak@linux.intel.com> | Fri Oct 08 09:32:45 2010 +0200 |
tree | 630a88dd5afe2c49a428179770140b22bbc9d7da | |
parent | 290408d4a25002f099efeee7b6a5778d431154d6 [diff] |
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>