Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932146AbWBFSpW (ORCPT ); Mon, 6 Feb 2006 13:45:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932154AbWBFSpW (ORCPT ); Mon, 6 Feb 2006 13:45:22 -0500 Received: from omx2-ext.sgi.com ([192.48.171.19]:20194 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S932146AbWBFSpU (ORCPT ); Mon, 6 Feb 2006 13:45:20 -0500 Date: Mon, 6 Feb 2006 10:45:13 -0800 (PST) From: Christoph Lameter To: Andi Kleen cc: discuss@x86-64.org, bharata@in.ibm.com, 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: <200602061931.13953.ak@suse.de> Message-ID: References: <20060205163618.GB21972@in.ibm.com> <200602061912.31508.ak@suse.de> <200602061931.13953.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: 876 Lines: 23 On Mon, 6 Feb 2006, Andi Kleen wrote: > > If node 0 is exhausted then you have an OOM situation. > > No - it could just need to free some cleanable pages first. That's > a long way before going OOM. Then node 0 still has memory available. So you suspect zone_reclaim? > > > but with a full free local node that code path is never triggered) > > > > Wamt me to test the OOM path for mbind? > I already know it oopses - someone else reported that. If you feel > motivated feel free to fix. We also have a minor issue with huge pages. If the pools are exhausted then the kernel will terminate the application with Bus Error. - 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/