Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751212AbWBOSOz (ORCPT ); Wed, 15 Feb 2006 13:14:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751218AbWBOSOy (ORCPT ); Wed, 15 Feb 2006 13:14:54 -0500 Received: from omx2-ext.sgi.com ([192.48.171.19]:12427 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S1751212AbWBOSOy (ORCPT ); Wed, 15 Feb 2006 13:14:54 -0500 Date: Wed, 15 Feb 2006 10:14:49 -0800 (PST) From: Christoph Lameter To: Andi Kleen cc: bharata@in.ibm.com, Ray Bryant , discuss@x86-64.org, linux-kernel@vger.kernel.org Subject: Re: [discuss] mmap, mbind and write to mmap'ed memory crashes 2.6.16-rc1[2] on 2 node X86_64 In-Reply-To: <200602151221.53730.ak@suse.de> Message-ID: References: <20060205163618.GB21972@in.ibm.com> <20060215054620.GA2966@in.ibm.com> <20060215103813.GD2966@in.ibm.com> <200602151221.53730.ak@suse.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 754 Lines: 19 On Wed, 15 Feb 2006, Andi Kleen wrote: > How about the appended patch? Does it fix the problem for you? I think we still need to address the issue of being able to crash the page allocator if an empty zone is in the zonelist. > This should work fine for now, but whoever implements node hot removal > needs to fix this somewhere else too (or make sure zone datastructures > by itself never go away, only their memory) Yup. Simply initializing the pcp structures with empty lists should suffice though. - 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/