From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755473AbYHSJtS (ORCPT ); Tue, 19 Aug 2008 05:49:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752940AbYHSJtH (ORCPT ); Tue, 19 Aug 2008 05:49:07 -0400 Received: from gv-out-0910.google.com ([216.239.58.191]:53699 "EHLO gv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752857AbYHSJtG (ORCPT ); Tue, 19 Aug 2008 05:49:06 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; b=UFxZZuAgw3eQLYvJSK0W9zM/0KvtfVWS47FqdtxJJkHZThJvqOxLEcMxqNPbFElaf1 xPO5H2ZXDWPKH0vqLDCfg+L96NcaVt8XpBxC+CUP9aiKWTValLSqgND4EnYXTcM+hwuT Fbi4WTtC7/Wx8XeR0tMtTJSQA4qIBR9Xz9ZDg= Message-ID: <48AA970D.5050403@gmail.com> Date: Tue, 19 Aug 2008 11:49:01 +0200 From: Jiri Slaby User-Agent: Thunderbird 2.0.0.16 (X11/20080720) MIME-Version: 1.0 To: balbir@linux.vnet.ibm.com CC: Andrew Morton , containers@lists.linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] mm_owner: fix cgroup null dereference References: <1218745013-9537-1-git-send-email-jirislaby@gmail.com> <48A49C78.7070100@linux.vnet.ibm.com> <48A9E82E.3060009@gmail.com> <48AA4003.5080300@linux.vnet.ibm.com> In-Reply-To: <48AA4003.5080300@linux.vnet.ibm.com> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/19/2008 05:37 AM, Balbir Singh wrote: > Could you please help me with the steps to reproduce the problem. I don't seem > to be hitting the mm->owner changed callback. I did have a test case for it when > I developed mm->owner functionality, but it does not trigger an oops for me. I have no idea. My config is at: http://decibel.fi.muni.cz/~xslaby/config-memrlimit-oops I don't play with cgroups or anything, I just work on the system. Do you need a test case, it's obvious from the code as far as I can see?