From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with SMTP id CB7AF60021B for ; Tue, 8 Dec 2009 19:27:02 -0500 (EST) Received: from m1.gw.fujitsu.co.jp ([10.0.50.71]) by fgwmail7.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id nB90QxcB009630 for (envelope-from kamezawa.hiroyu@jp.fujitsu.com); Wed, 9 Dec 2009 09:26:59 +0900 Received: from smail (m1 [127.0.0.1]) by outgoing.m1.gw.fujitsu.co.jp (Postfix) with ESMTP id 4F0BF45DE56 for ; Wed, 9 Dec 2009 09:26:59 +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 F386145DE52 for ; Wed, 9 Dec 2009 09:26:58 +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 788DF1DB8042 for ; Wed, 9 Dec 2009 09:26:58 +0900 (JST) Received: from ml13.s.css.fujitsu.com (ml13.s.css.fujitsu.com [10.249.87.103]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id 08759E78007 for ; Wed, 9 Dec 2009 09:26:58 +0900 (JST) Date: Wed, 9 Dec 2009 09:24:06 +0900 From: KAMEZAWA Hiroyuki Subject: Re: [cleanup][PATCH mmotm]memcg: don't call mem_cgroup_soft_limit_check() against root cgroup (Re: [BUG?] [PATCH] soft limits and root cgroups) Message-Id: <20091209092406.b239a447.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20091208100954.44996a7e.nishimura@mxp.nes.nec.co.jp> References: <20091208100954.44996a7e.nishimura@mxp.nes.nec.co.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Daisuke Nishimura Cc: "Kirill A. Shutemov" , linux-mm@kvack.org, Balbir Singh , Pavel Emelyanov List-ID: On Tue, 8 Dec 2009 10:09:54 +0900 Daisuke Nishimura wrote: > From: Daisuke Nishimura > > current memory cgroup doesn't use res_counter about root cgroup, so soft limits > on root cgroup has no use. > This patch disables writing to /memory.soft_limit_in_bytes and > changes uncharge path not to call mem_cgroup_soft_limit_check() against root > cgroup. > > Signed-off-by: Daisuke Nishimura Acked-by: KAMEZAWA Hiroyuki Thank you. -- 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