From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.9]) by ozlabs.org (Postfix) with ESMTP id E5769DDD0C for ; Wed, 23 Jan 2008 19:39:54 +1100 (EST) Date: Wed, 23 Jan 2008 09:40:16 +0100 From: Olaf Hering To: Pekka Enberg Subject: Re: crash in kmem_cache_init Message-ID: <20080123084016.GA17911@aepfle.de> References: <20080118225713.GA31128@aepfle.de> <20080122195448.GA15567@csn.ul.ie> <20080122212654.GB15567@csn.ul.ie> <20080122225046.GA866@csn.ul.ie> <47967560.8080101@cs.helsinki.fi> <84144f020801230019i5ac6c8b1lfa5364672988b0c4@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 In-Reply-To: <84144f020801230019i5ac6c8b1lfa5364672988b0c4@mail.gmail.com> Cc: lee.schermerhorn@hp.com, Linux MM , Mel Gorman , linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, "Aneesh Kumar K.V" , hanth Aravamudan , akpm@linux-foundation.org, KAMEZAWA Hiroyuki , Christoph Lameter List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, Jan 23, Pekka Enberg wrote: > Hi Christoph, > > On Jan 23, 2008 1:18 AM, Christoph Lameter wrote: > > My patch is useless (fascinating history of the changelog there through). > > fallback_alloc calls kmem_getpages without GFP_THISNODE. This means that > > alloc_pages_node() will try to allocate on the current node but fallback > > to neighboring node if nothing is there.... > > Sure, but I was referring to the scenario where current node _has_ > pages available but no ->nodelists. Olaf, did you try it? Does not help. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752675AbYAWIkH (ORCPT ); Wed, 23 Jan 2008 03:40:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751071AbYAWIjz (ORCPT ); Wed, 23 Jan 2008 03:39:55 -0500 Received: from mail-out.m-online.net ([212.18.0.9]:55420 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750994AbYAWIjy (ORCPT ); Wed, 23 Jan 2008 03:39:54 -0500 Date: Wed, 23 Jan 2008 09:40:16 +0100 From: Olaf Hering To: Pekka Enberg Cc: Christoph Lameter , Mel Gorman , linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, "Aneesh Kumar K.V" , hanth Aravamudan , KAMEZAWA Hiroyuki , lee.schermerhorn@hp.com, Linux MM , akpm@linux-foundation.org Subject: Re: crash in kmem_cache_init Message-ID: <20080123084016.GA17911@aepfle.de> References: <20080118225713.GA31128@aepfle.de> <20080122195448.GA15567@csn.ul.ie> <20080122212654.GB15567@csn.ul.ie> <20080122225046.GA866@csn.ul.ie> <47967560.8080101@cs.helsinki.fi> <84144f020801230019i5ac6c8b1lfa5364672988b0c4@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <84144f020801230019i5ac6c8b1lfa5364672988b0c4@mail.gmail.com> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 23, Pekka Enberg wrote: > Hi Christoph, > > On Jan 23, 2008 1:18 AM, Christoph Lameter wrote: > > My patch is useless (fascinating history of the changelog there through). > > fallback_alloc calls kmem_getpages without GFP_THISNODE. This means that > > alloc_pages_node() will try to allocate on the current node but fallback > > to neighboring node if nothing is there.... > > Sure, but I was referring to the scenario where current node _has_ > pages available but no ->nodelists. Olaf, did you try it? Does not help. From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 23 Jan 2008 09:40:16 +0100 From: Olaf Hering Subject: Re: crash in kmem_cache_init Message-ID: <20080123084016.GA17911@aepfle.de> References: <20080118225713.GA31128@aepfle.de> <20080122195448.GA15567@csn.ul.ie> <20080122212654.GB15567@csn.ul.ie> <20080122225046.GA866@csn.ul.ie> <47967560.8080101@cs.helsinki.fi> <84144f020801230019i5ac6c8b1lfa5364672988b0c4@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <84144f020801230019i5ac6c8b1lfa5364672988b0c4@mail.gmail.com> Sender: owner-linux-mm@kvack.org Return-Path: To: Pekka Enberg Cc: Christoph Lameter , Mel Gorman , linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, "Aneesh Kumar K.V" , hanth Aravamudan , KAMEZAWA Hiroyuki , lee.schermerhorn@hp.com, Linux MM , akpm@linux-foundation.org List-ID: On Wed, Jan 23, Pekka Enberg wrote: > Hi Christoph, > > On Jan 23, 2008 1:18 AM, Christoph Lameter wrote: > > My patch is useless (fascinating history of the changelog there through). > > fallback_alloc calls kmem_getpages without GFP_THISNODE. This means that > > alloc_pages_node() will try to allocate on the current node but fallback > > to neighboring node if nothing is there.... > > Sure, but I was referring to the scenario where current node _has_ > pages available but no ->nodelists. Olaf, did you try it? Does not help. -- 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