From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753378AbaFEBUR (ORCPT ); Wed, 4 Jun 2014 21:20:17 -0400 Received: from mail-qg0-f43.google.com ([209.85.192.43]:61164 "EHLO mail-qg0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751639AbaFEBUP (ORCPT ); Wed, 4 Jun 2014 21:20:15 -0400 Date: Wed, 4 Jun 2014 21:20:11 -0400 From: Tejun Heo To: Li Zefan Cc: LKML , Cgroups Subject: Re: [PATCH 2/3] cgroup: make the default root invisible when it's umounted Message-ID: <20140605012011.GB14370@mtj.dyndns.org> References: <538D4956.5050205@huawei.com> <538D4982.10905@huawei.com> <20140603130144.GB26210@htj.dyndns.org> <538EE00F.10406@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <538EE00F.10406@huawei.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On Wed, Jun 04, 2014 at 04:59:59PM +0800, Li Zefan wrote: > The example I gave is the same result if sane_behavior is not specified, > so this is a behavioural change for the old interface? Hmmm? Either the userland knows about unified hierarchy or not and there's no point in hiding it if we know that userland knows. It's really a system-wide thing which happens once. Thanks. -- tejun