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mm: hugetlb: fix non-atomic enqueue of huge page
author
Hillf Danton
<dhillf@gmail.com>
Wed, 28 Dec 2011 23:57:16 +0000
(15:57 -0800)
committer
Linus Torvalds
<torvalds@linux-foundation.org>
Fri, 30 Dec 2011 00:31:57 +0000
(16:31 -0800)
If a huge page is enqueued under the protection of hugetlb_lock, then the
operation is atomic and safe.
Signed-off-by: Hillf Danton <dhillf@gmail.com>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: <stable@vger.kernel.org> [2.6.37+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/hugetlb.c
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mm/hugetlb.c
Simple merge