Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752318Ab2EVL7Q (ORCPT ); Tue, 22 May 2012 07:59:16 -0400 Received: from cantor2.suse.de ([195.135.220.15]:32978 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750813Ab2EVL7P (ORCPT ); Tue, 22 May 2012 07:59:15 -0400 Date: Tue, 22 May 2012 12:59:10 +0100 From: Mel Gorman To: Dave Jones , Linus Torvalds , Linux Kernel , linux-mm@kvack.org, KOSAKI Motohiro , Stephen Wilson , Christoph Lameter , Andrew Morton Subject: Re: 3.4-rc7 numa_policy slab poison. Message-ID: <20120522115910.GA3353@suse.de> References: <20120517213120.GA12329@redhat.com> <20120518185851.GA5728@redhat.com> <20120521154709.GA8697@redhat.com> <20120521200118.GA12123@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20120521200118.GA12123@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1087 Lines: 27 On Mon, May 21, 2012 at 04:01:18PM -0400, Dave Jones wrote: > On Mon, May 21, 2012 at 12:39:19PM -0700, Linus Torvalds wrote: > > > But there's not a lot of recent stuff. The thing that jumps out is Mel > > Gorman's recent commit cc9a6c8776615 ("cpuset: mm: reduce large > > amounts of memory barrier related damage v3"), which has a whole new > > loop with that scary mpol_cond_put() usage. And there's we had > > problems with vma merging.. > > > > Dave, how recent is this problem? Have you already tried older kernels? > > I tried bisecting, but couldn't find a 'good' kernel. > I Went back as far as 3.0, before that I kept running into compile failures. > Newer gcc/binutils really seems to dislike 2.6.x now. > This bug is really old as it triggers as far back as 2.6.32.58. I don't know why yet. -- Mel Gorman SUSE Labs -- 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/