Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757122AbXJYCPo (ORCPT ); Wed, 24 Oct 2007 22:15:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753507AbXJYCPg (ORCPT ); Wed, 24 Oct 2007 22:15:36 -0400 Received: from netops-testserver-4-out.sgi.com ([192.48.171.29]:42406 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753202AbXJYCPf (ORCPT ); Wed, 24 Oct 2007 22:15:35 -0400 Date: Wed, 24 Oct 2007 19:15:33 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Alexey Dobriyan cc: Mel Gorman , Pekka Enberg , linux-kernel@vger.kernel.org, linux-mm@vger.kernel.org Subject: Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds) In-Reply-To: <20071024192849.GA3206@martell.zuzino.mipt.ru> Message-ID: References: <20071023181615.GA10377@martell.zuzino.mipt.ru> <471E5021.8090300@cs.helsinki.fi> <20071024080937.GA10785@skynet.ie> <20071024192849.GA3206@martell.zuzino.mipt.ru> 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: 961 Lines: 25 On Wed, 24 Oct 2007, Alexey Dobriyan wrote: > [12728.701398] DMA free:8032kB min:32kB low:40kB high:48kB active:2716kB > inactive:2208kB present:12744kB pages_scanned:9299 all_unreclaimable? > yes [12728.701567] lowmem_reserve[]: 0 2003 2003 2003 [12728.701654] Ummm... all unreclaimable is set! Are you mlocking the pages in memory? Or what causes this? All pages under writeback? What is the dirty ratio set to? > pages_scanned:9363 all_unreclaimable? yes [12735.178618] And again. > lowmem_reserve[]: 0 2003 2003 2003 [12735.178706] DMA32 free:5700kB > min:5708kB low:7132kB high:8560kB active:512264kB inactive:1304912kB > present:2051880kB pages_scanned:3251584 all_unreclaimable? yes And again. - 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/