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)
committerVarun Wadekar <vwadekar@nvidia.com>
Fri, 18 May 2012 10:36:56 +0000 (15:36 +0530)
commit661c0f0474d11afd67e2e23a88a30b8c5f2e7e70
tree4aa3d7bd9a179a909155de3d99acabd1dce031d3
parent3518bf10c4b548390a35e465ae8bc192dc4f5309
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