From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx137.postini.com [74.125.245.137]) by kanga.kvack.org (Postfix) with SMTP id 8A4636B0081 for ; Tue, 22 May 2012 07:59:16 -0400 (EDT) Date: Tue, 22 May 2012 12:59:10 +0100 From: Mel Gorman 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> Sender: owner-linux-mm@kvack.org List-ID: To: Dave Jones , Linus Torvalds , Linux Kernel , linux-mm@kvack.org, KOSAKI Motohiro , Stephen Wilson , Christoph Lameter , Andrew Morton 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org