From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx205.postini.com [74.125.245.205]) by kanga.kvack.org (Postfix) with SMTP id 7A39E6B0044 for ; Thu, 20 Dec 2012 06:14:10 -0500 (EST) Date: Thu, 20 Dec 2012 11:14:05 +0000 From: Mel Gorman Subject: Re: [PATCH] sched: numa: ksm: fix oops in task_numa_placment() Message-ID: <20121220111405.GE10819@suse.de> References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Hugh Dickins Cc: Linus Torvalds , Andrew Morton , Ingo Molnar , Sasha Levin , Petr Holasek , linux-kernel@vger.kernel.org, linux-mm@kvack.org On Wed, Dec 19, 2012 at 05:42:16PM -0800, Hugh Dickins wrote: > task_numa_placement() oopsed on NULL p->mm when task_numa_fault() > got called in the handling of break_ksm() for ksmd. That might be a > peculiar case, which perhaps KSM could takes steps to avoid? but it's > more robust if task_numa_placement() allows for such a possibility. > > Signed-off-by: Hugh Dickins Acked-by: Mel Gorman -- Mel Gorman SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752385Ab2LTLOO (ORCPT ); Thu, 20 Dec 2012 06:14:14 -0500 Received: from cantor2.suse.de ([195.135.220.15]:39046 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751431Ab2LTLOJ (ORCPT ); Thu, 20 Dec 2012 06:14:09 -0500 Date: Thu, 20 Dec 2012 11:14:05 +0000 From: Mel Gorman To: Hugh Dickins Cc: Linus Torvalds , Andrew Morton , Ingo Molnar , Sasha Levin , Petr Holasek , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] sched: numa: ksm: fix oops in task_numa_placment() Message-ID: <20121220111405.GE10819@suse.de> References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 19, 2012 at 05:42:16PM -0800, Hugh Dickins wrote: > task_numa_placement() oopsed on NULL p->mm when task_numa_fault() > got called in the handling of break_ksm() for ksmd. That might be a > peculiar case, which perhaps KSM could takes steps to avoid? but it's > more robust if task_numa_placement() allows for such a possibility. > > Signed-off-by: Hugh Dickins Acked-by: Mel Gorman -- Mel Gorman SUSE Labs