From: Hillf Danton <dhillf@gmail.com>
Date: Wed, 28 Dec 2011 23:57:16 +0000 (-0800)
Subject: mm: hugetlb: fix non-atomic enqueue of huge page
X-Git-Tag: v3.2~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b0365c8d0cb6e79eb5f21418ae61ab511f31b575;p=pandora-kernel.git

mm: hugetlb: fix non-atomic enqueue of huge page

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>
---

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