From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx155.postini.com [74.125.245.155]) by kanga.kvack.org (Postfix) with SMTP id 36EDF6B000D for ; Mon, 28 Jan 2013 19:22:25 -0500 (EST) Received: from m1.gw.fujitsu.co.jp (unknown [10.0.50.71]) by fgwmail6.fujitsu.co.jp (Postfix) with ESMTP id 73AA63EE0B5 for ; Tue, 29 Jan 2013 09:22:23 +0900 (JST) Received: from smail (m1 [127.0.0.1]) by outgoing.m1.gw.fujitsu.co.jp (Postfix) with ESMTP id 5B89745DE5B for ; Tue, 29 Jan 2013 09:22:23 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (s1.gw.fujitsu.co.jp [10.0.50.91]) by m1.gw.fujitsu.co.jp (Postfix) with ESMTP id 2E7C945DE59 for ; Tue, 29 Jan 2013 09:22:23 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id 1E30D1DB8055 for ; Tue, 29 Jan 2013 09:22:23 +0900 (JST) Received: from ml14.s.css.fujitsu.com (ml14.s.css.fujitsu.com [10.240.81.134]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id C65821DB8044 for ; Tue, 29 Jan 2013 09:22:22 +0900 (JST) Message-ID: <51071631.5060503@jp.fujitsu.com> Date: Tue, 29 Jan 2013 09:22:09 +0900 From: Kamezawa Hiroyuki MIME-Version: 1.0 Subject: Re: [PATCH v4 6/6] memcg: avoid dangling reference count in creation failure. References: <1358862461-18046-1-git-send-email-glommer@parallels.com> <1358862461-18046-7-git-send-email-glommer@parallels.com> In-Reply-To: <1358862461-18046-7-git-send-email-glommer@parallels.com> Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Glauber Costa Cc: cgroups@vger.kernel.org, linux-mm@kvack.org, Tejun Heo , Michal Hocko , Johannes Weiner (2013/01/22 22:47), Glauber Costa wrote: > When use_hierarchy is enabled, we acquire an extra reference count > in our parent during cgroup creation. We don't release it, though, > if any failure exist in the creation process. > > Signed-off-by: Glauber Costa > Reported-by: Michal Hocko Acked-by: KAMEZAWA Hiroyuki -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org