memcg: free spare array to avoid memory leak
commit37de6be49f6c88f7d1306594b7aae5aeee2fa499
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 16:40:04 +0000 (21 09:40 -0700)
tree77f0c5e7aad88a8bb419d3c2211a93ea709ead8a
parent19165bdbb3622cfca0ff66e8b30248d469b849d6
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