memcg: free spare array to avoid memory leak
authorSha Zhengju <handai.szj@taobao.com>
Thu, 10 May 2012 20:01:45 +0000 (13:01 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 10 May 2012 22:06:44 +0000 (15:06 -0700)
commit8c7577637ca31385e92769a77e2ab5b428e8b99c
treeecf350b4defdd9ad31a9d1eb6353b890c5951eb9
parent5e2bf0142231194d36fdc9596b36a261ed2b9fe7
memcg: free spare array to avoid memory leak

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>
mm/memcontrol.c