From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754116AbYIAG3d (ORCPT ); Mon, 1 Sep 2008 02:29:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751517AbYIAG30 (ORCPT ); Mon, 1 Sep 2008 02:29:26 -0400 Received: from E23SMTP06.au.ibm.com ([202.81.18.175]:35987 "EHLO e23smtp06.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751490AbYIAG3Z (ORCPT ); Mon, 1 Sep 2008 02:29:25 -0400 Message-ID: <48BB8B77.7060508@linux.vnet.ibm.com> Date: Mon, 01 Sep 2008 11:58:07 +0530 From: Balbir Singh Reply-To: balbir@linux.vnet.ibm.com Organization: IBM User-Agent: Thunderbird 2.0.0.16 (X11/20080724) MIME-Version: 1.0 To: Li Zefan CC: Andrew Morton , KAMEZAWA Hiroyuki , Pavel Emelianov , LKML Subject: Re: [PATCH] res_counter: fix off-by-one bug in setting limit References: <48BB78E7.5080001@cn.fujitsu.com> In-Reply-To: <48BB78E7.5080001@cn.fujitsu.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Li Zefan wrote: > I found we can no longer set limit to 0 with 2.6.27-rcX: > # mount -t cgroup -omemory xxx /mnt > # mkdir /mnt/0 > # echo 0 > /mnt/0/memory.limit_in_bytes > bash: echo: write error: Device or resource busy > > It turned out 'limit' can't be set to 'usage', which is wrong IMO. > > Signed-off-by: Li Zefan OK, based on Kamezawa's feedback and looking at the patch Acked-by: Balbir Singh -- Balbir