From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966372Ab2ERRz5 (ORCPT ); Fri, 18 May 2012 13:55:57 -0400 Received: from mail-pz0-f46.google.com ([209.85.210.46]:43676 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965082Ab2ERRzy (ORCPT ); Fri, 18 May 2012 13:55:54 -0400 Date: Fri, 18 May 2012 10:55:48 -0700 From: Tejun Heo To: Sasha Levin Cc: Li Zefan , containers@lists.linux-foundation.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, fweisbec@gmail.com, rni@google.com, ctalbott@google.com, Vivek Goyal , Johannes Weiner , Michal Hocko , Balbir Singh , KAMEZAWA Hiroyuki Subject: Re: [PATCH 2/2] cgroup: make css->refcnt clearing on cgroup removal optional Message-ID: <20120518175548.GM19388@google.com> References: <20120330223423.GJ28934@google.com> <20120330223606.GK28934@google.com> <4F77B6BA.4070207@huawei.com> <20120401185430.GA9230@dhcp-172-17-108-109.mtv.corp.google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 17, 2012 at 12:33:05AM +0200, Sasha Levin wrote: > Hi Tejun, > > On Sun, Apr 1, 2012 at 8:54 PM, Tejun Heo wrote: > > Hello, Li. > > > > On Sun, Apr 01, 2012 at 10:00:26AM +0800, Li Zefan wrote: > >> > Signed-off-by: Tejun Heo > >> > >> Both patches look good. > >> > >> Acked-by: Li Zefan > > > > Alright, adding the patches to cgroup/for-3.5. > > This patch allows for race when removing a cgroup since one of the > css's may still have a dentry ref when the cgroup is removed, no? Is > there a plan to deal with that before this patch gets pushed into 3.5? Can you please elaborate? Thanks. -- tejun