memcg: free spare array to avoid memory leak
commitef474e8699d6214527989d09e9d4cab368a6468f
authorSha Zhengju <handai.szj@taobao.com>
Thu, 10 May 2012 20:01:45 +0000 (10 13:01 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 21 May 2012 17:46:22 +0000 (21 10:46 -0700)
tree4d2203e25f4b36ccc8b6a2ca93e9c3a65232f32a
parent277ff221e8b2a9d4397c247313883d1160c0403e
memcg: free spare array to avoid memory leak

commit 8c7577637ca31385e92769a77e2ab5b428e8b99c upstream.

When the last event is unregistered, there is no need to keep the spare
array anymore.  So free it to avoid memory leak.

Signed-off-by: Sha Zhengju <handai.szj@taobao.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mm/memcontrol.c