Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761644Ab3DDPWW (ORCPT ); Thu, 4 Apr 2013 11:22:22 -0400 Received: from mail-pa0-f54.google.com ([209.85.220.54]:53504 "EHLO mail-pa0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761409Ab3DDPWU (ORCPT ); Thu, 4 Apr 2013 11:22:20 -0400 Date: Thu, 4 Apr 2013 08:22:13 -0700 From: Tejun Heo To: Michal Hocko Cc: Li Zefan , linux-mm@kvack.org, LKML , Cgroups , Glauber Costa , KAMEZAWA Hiroyuki , Johannes Weiner Subject: Re: [RFC][PATCH 5/7] cgroup: make sure parent won't be destroyed before its children Message-ID: <20130404152213.GL9425@htj.dyndns.org> References: <515BF233.6070308@huawei.com> <515BF2A4.1070703@huawei.com> <20130404113750.GH29911@dhcp22.suse.cz> <20130404133706.GA9425@htj.dyndns.org> <20130404152028.GK29911@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130404152028.GK29911@dhcp22.suse.cz> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 705 Lines: 20 On Thu, Apr 04, 2013 at 05:20:28PM +0200, Michal Hocko wrote: > > But what harm does an additional reference do? > > No harm at all. I just wanted to be sure that this is not yet another > "for memcg" hack. So if this is useful for other controllers then I have > no objections of course. I think it makes sense in general, so let's do it in cgroup core. I suppose it'd be easier for this to be routed together with other memcg changes? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/