Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161108AbWBHQvn (ORCPT ); Wed, 8 Feb 2006 11:51:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161109AbWBHQvn (ORCPT ); Wed, 8 Feb 2006 11:51:43 -0500 Received: from omx2-ext.sgi.com ([192.48.171.19]:19127 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S1161108AbWBHQvm (ORCPT ); Wed, 8 Feb 2006 11:51:42 -0500 Date: Wed, 8 Feb 2006 08:51:33 -0800 (PST) From: Christoph Lameter To: Andi Kleen cc: discuss@x86-64.org, Bharata B Rao , Ray Bryant , 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: <200602081727.31850.ak@suse.de> Message-ID: References: <20060205163618.GB21972@in.ibm.com> <200602081706.26853.ak@suse.de> <200602081727.31850.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: 693 Lines: 17 On Wed, 8 Feb 2006, Andi Kleen wrote: > > The fix could result in a zonelist with no zones. So we can answer one > > question in __alloc_pages(). > > I don't think it can happen - at least one zone <= policy-zone has to > have memory otherwise the machine wouldn't work at all. One could bind to a nodeset that contains a single node. If that node has no memory in the policy zone then the zonelist generated by bind_zonelist will be empty. - 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/