Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755938AbZIVKYM (ORCPT ); Tue, 22 Sep 2009 06:24:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755311AbZIVKYK (ORCPT ); Tue, 22 Sep 2009 06:24:10 -0400 Received: from gir.skynet.ie ([193.1.99.77]:40720 "EHLO gir.skynet.ie" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755099AbZIVKYK (ORCPT ); Tue, 22 Sep 2009 06:24:10 -0400 Date: Tue, 22 Sep 2009 11:24:16 +0100 From: Mel Gorman To: Pekka Enberg Cc: Christoph Lameter , Nick Piggin , heiko.carstens@de.ibm.com, sachinp@in.ibm.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Tejun Heo , Benjamin Herrenschmidt Subject: Re: [RFC PATCH 0/3] Fix SLQB on memoryless configurations V2 Message-ID: <20090922102415.GF12254@csn.ul.ie> References: <1253549426-917-1-git-send-email-mel@csn.ul.ie> <20090921174656.GS12726@csn.ul.ie> <20090921180739.GT12726@csn.ul.ie> <20090922100540.GD12254@csn.ul.ie> <1253614875.30406.12.camel@penberg-laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <1253614875.30406.12.camel@penberg-laptop> User-Agent: Mutt/1.5.17+20080114 (2008-01-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1082 Lines: 26 On Tue, Sep 22, 2009 at 01:21:15PM +0300, Pekka Enberg wrote: > Hi Mel, > > On Tue, 2009-09-22 at 11:05 +0100, Mel Gorman wrote: > > I'm going to punt the decision on this one to Pekka or Nick. My feeling > > is leave it enabled for NUMA so it can be identified if it gets fixed > > for some other reason - e.g. the stalls are due to a per-cpu problem as > > stated by Sachin and SLQB happens to exasperate the problem. > > Can I have a tested patch that uses MAX_NUMNODES to allocate the > structs, please? We can convert SLQB over to per-cpu allocator if the > memoryless node issue is resolved. > Patch set in the process of testing. Should have something in a few hours. -- Mel Gorman Part-time Phd Student Linux Technology Center University of Limerick IBM Dublin Software Lab -- 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/