From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail190.messagelabs.com (mail190.messagelabs.com [216.82.249.51]) by kanga.kvack.org (Postfix) with SMTP id 36A5A60021B for ; Wed, 9 Dec 2009 20:16:59 -0500 (EST) Received: from m2.gw.fujitsu.co.jp ([10.0.50.72]) by fgwmail7.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id nBA1Gu7l000841 for (envelope-from kamezawa.hiroyu@jp.fujitsu.com); Thu, 10 Dec 2009 10:16:56 +0900 Received: from smail (m2 [127.0.0.1]) by outgoing.m2.gw.fujitsu.co.jp (Postfix) with ESMTP id C867745DE64 for ; Thu, 10 Dec 2009 10:16:55 +0900 (JST) Received: from s2.gw.fujitsu.co.jp (s2.gw.fujitsu.co.jp [10.0.50.92]) by m2.gw.fujitsu.co.jp (Postfix) with ESMTP id 937A345DE62 for ; Thu, 10 Dec 2009 10:16:55 +0900 (JST) Received: from s2.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s2.gw.fujitsu.co.jp (Postfix) with ESMTP id 75C281DB8048 for ; Thu, 10 Dec 2009 10:16:55 +0900 (JST) Received: from m106.s.css.fujitsu.com (m106.s.css.fujitsu.com [10.249.87.106]) by s2.gw.fujitsu.co.jp (Postfix) with ESMTP id 1F9C91DB8041 for ; Thu, 10 Dec 2009 10:16:55 +0900 (JST) Date: Thu, 10 Dec 2009 10:13:55 +0900 From: KAMEZAWA Hiroyuki Subject: Re: [PATCH] [TRIVIAL] memcg: fix memory.memsw.usage_in_bytes for root cgroup Message-Id: <20091210101355.d94988cf.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20091209162109.567ff5fa.akpm@linux-foundation.org> References: <1260373738-17179-1-git-send-email-kirill@shutemov.name> <20091210085929.56c63eb2.kamezawa.hiroyu@jp.fujitsu.com> <20091209162109.567ff5fa.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Andrew Morton Cc: "Kirill A. Shutemov" , linux-mm@kvack.org, Balbir Singh , Pavel Emelyanov , linux-kernel@vger.kernel.org, stable@kernel.org, Daisuke Nishimura List-ID: On Wed, 9 Dec 2009 16:21:09 -0800 Andrew Morton wrote: > On Thu, 10 Dec 2009 08:59:29 +0900 > KAMEZAWA Hiroyuki wrote: > > > On Wed, 9 Dec 2009 17:48:58 +0200 > > "Kirill A. Shutemov" wrote: > > > > > We really want to take MEM_CGROUP_STAT_SWAPOUT into account. > > > > > > Signed-off-by: Kirill A. Shutemov > > > Cc: stable@kernel.org > > > > Thanks. > > > > Acked-by: KAMEZAWA Hiroyuki > > > > Is this bug sufficiently serious to justify a -stable backport? > I think so. > If so, why? > memory cgroup has a file memory.memsw.usage_in_bytes file. It shows sum of the usage of pages and swapents in the cgroup. Now, root cgroup's memsw.usage_in_bytes shows wrong value....the number of swapents are not added. This patch fixesi it. Thanks, -Kame -- 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