From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx123.postini.com [74.125.245.123]) by kanga.kvack.org (Postfix) with SMTP id 2F3976B0092 for ; Mon, 5 Mar 2012 15:04:05 -0500 (EST) Message-ID: <4F551BE6.4050509@redhat.com> Date: Mon, 05 Mar 2012 15:02:46 -0500 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH -v2] mm: SLAB Out-of-memory diagnostics References: <20120305181041.GA9829@x61.redhat.com> In-Reply-To: <20120305181041.GA9829@x61.redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Rafael Aquini Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Randy Dunlap , Christoph Lameter , Pekka Enberg , Matt Mackall , Josef Bacik , David Rientjes On 03/05/2012 01:10 PM, Rafael Aquini wrote: > Following the example at mm/slub.c, add out-of-memory diagnostics to the > SLAB allocator to help on debugging certain OOM conditions. > > An example print out looks like this: > > > SLAB: Unable to allocate memory on node 0 (gfp=0x11200) > cache: bio-0, object size: 192, order: 0 > node0: slabs: 3/3, objs: 60/60, free: 0 > > Signed-off-by: Rafael Aquini Acked-by: Rik van Riel -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ 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 S1757606Ab2CEUEL (ORCPT ); Mon, 5 Mar 2012 15:04:11 -0500 Received: from mx1.redhat.com ([209.132.183.28]:1025 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757455Ab2CEUEI (ORCPT ); Mon, 5 Mar 2012 15:04:08 -0500 Message-ID: <4F551BE6.4050509@redhat.com> Date: Mon, 05 Mar 2012 15:02:46 -0500 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120209 Thunderbird/10.0.1 MIME-Version: 1.0 To: Rafael Aquini CC: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Randy Dunlap , Christoph Lameter , Pekka Enberg , Matt Mackall , Josef Bacik , David Rientjes Subject: Re: [PATCH -v2] mm: SLAB Out-of-memory diagnostics References: <20120305181041.GA9829@x61.redhat.com> In-Reply-To: <20120305181041.GA9829@x61.redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/05/2012 01:10 PM, Rafael Aquini wrote: > Following the example at mm/slub.c, add out-of-memory diagnostics to the > SLAB allocator to help on debugging certain OOM conditions. > > An example print out looks like this: > > > SLAB: Unable to allocate memory on node 0 (gfp=0x11200) > cache: bio-0, object size: 192, order: 0 > node0: slabs: 3/3, objs: 60/60, free: 0 > > Signed-off-by: Rafael Aquini Acked-by: Rik van Riel