Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759732AbZIQSvL (ORCPT ); Thu, 17 Sep 2009 14:51:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759219AbZIQSvJ (ORCPT ); Thu, 17 Sep 2009 14:51:09 -0400 Received: from cantor.suse.de ([195.135.220.2]:35351 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755166AbZIQSvI (ORCPT ); Thu, 17 Sep 2009 14:51:08 -0400 Date: Thu, 17 Sep 2009 20:51:06 +0200 From: Nick Piggin To: Christoph Lameter Cc: Mel Gorman , Pekka Enberg , linux-kernel@vger.kernel.org, akpm@linux-foundation.org, heiko.carstens@de.ibm.com, mingo@elte.hu, sachinp@in.ibm.com Subject: Re: [RFC/PATCH] SLQB: Mark the allocator as broken PowerPC and S390 Message-ID: <20090917185106.GT18404@wotan.suse.de> References: <1253083059.5478.1.camel@penberg-laptop> <20090917100841.GF13002@csn.ul.ie> <1253183365.4975.20.camel@penberg-laptop> <20090917105707.GA7205@csn.ul.ie> <1253186019.4975.32.camel@penberg-laptop> <20090917111828.GB7205@csn.ul.ie> <20090917114116.GL18404@wotan.suse.de> <20090917181831.GA714@csn.ul.ie> <20090917182842.GS18404@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1068 Lines: 24 On Thu, Sep 17, 2009 at 02:38:08PM -0400, Christoph Lameter wrote: > On Thu, 17 Sep 2009, Nick Piggin wrote: > > > > This machine has two CPUs (0, 1) and two nodes with actual memory (2,3). > > > After applying a patch to kmem_cache_create, I see in the console > > > > > > MEL::Creating cache pgd_cache CPU 0 Node 0 > > > MEL::Creating cache pmd_cache CPU 0 Node 0 > > > MEL::Creating cache pid_namespace CPU 0 Node 0 > > > MEL::Creating cache shmem_inode_cache CPU 0 Node 0 > > > MEL::Creating cache scsi_data_buffer CPU 1 Node 0 > > So we have two nodes 2,3 nothing on node 0 and we are creating caches on > the node that does not exist? SLQB assumes node 0 is present? It might do somewhere, but it shouldn't. It will ask for node 0 by default presumably if CPU0 is on node 0, but it should be able to fall back... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/