Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755594Ab3DOPbL (ORCPT ); Mon, 15 Apr 2013 11:31:11 -0400 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:58228 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754664Ab3DOPbH (ORCPT ); Mon, 15 Apr 2013 11:31:07 -0400 X-SecurityPolicyCheck: OK by SHieldMailChecker v1.8.4 Message-ID: <516C1CCA.80901@jp.fujitsu.com> Date: Tue, 16 Apr 2013 00:29:14 +0900 From: Kamezawa Hiroyuki User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130328 Thunderbird/17.0.5 MIME-Version: 1.0 To: Tejun Heo CC: lizefan@huawei.com, containers@lists.linux-foundation.org, cgroups@vger.kernel.org, mhocko@suse.cz, linux-kernel@vger.kernel.org, glommer@parallels.com, vgoyal@redhat.com Subject: Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior References: <1365808259-31073-1-git-send-email-tj@kernel.org> <1365808259-31073-5-git-send-email-tj@kernel.org> In-Reply-To: <1365808259-31073-5-git-send-email-tj@kernel.org> Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1110 Lines: 28 (2013/04/13 8:10), Tejun Heo wrote: > Turn on use_hierarchy by default if sane_behavior is specified and > don't create .use_hierarchy file. > > It is debatable whether to remove .use_hierarchy file or make it ro as > the former could make transition easier in certain cases; however, the > behavior changes which will be gated by sane_behavior are intensive > including changing basic meaning of certain control knobs in a few > controllers and I don't really think keeping this piece would make > things easier in any noticeable way, so let's remove it. > > Signed-off-by: Tejun Heo > Cc: Michal Hocko > Cc: KAMEZAWA Hiroyuki I'd like to say this behaivor as v2 rather than sane_behavior.... Acked-by: KAMEZAWA Hiroyuki Hmm.. we need to check performance. -- 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/