Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261791AbVCNFIe (ORCPT ); Mon, 14 Mar 2005 00:08:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261783AbVCNFGA (ORCPT ); Mon, 14 Mar 2005 00:06:00 -0500 Received: from smtp014.mail.yahoo.com ([216.136.173.58]:22097 "HELO smtp014.mail.yahoo.com") by vger.kernel.org with SMTP id S261533AbVCNFFC (ORCPT ); Mon, 14 Mar 2005 00:05:02 -0500 Subject: Re: BUG: Slowdown on 3000 socket-machines tracked down From: Nick Piggin To: Christian Schmid Cc: Ben Greear , Andrew Morton , lkml In-Reply-To: <423518C7.10207@rapidforum.com> References: <4229E805.3050105@rapidforum.com> <422BAAC6.6040705@candelatech.com> <422BB548.1020906@rapidforum.com> <422BC303.9060907@candelatech.com> <422BE33D.5080904@yahoo.com.au> <422C1D57.9040708@candelatech.com> <422C1EC0.8050106@yahoo.com.au> <422D468C.7060900@candelatech.com> <422DD5A3.7060202@rapidforum.com> <422F8A8A.8010606@candelatech.com> <422F8C58.4000809@rapidforum.com> <422F9259.2010003@candelatech.com> <422F93CE.3060403@rapidforum.com> <20050309211730.24b4fc93.akpm@osdl.org> <4231B95B.6020209@rapidforum.com> <4231ED18.2050804@candelatech.com> <4231F112.60403@rapidforum.com> <1110775215.5131.17.camel@npiggin-nld.site> <423518C7.10207@rapidforum.com> Content-Type: text/plain Date: Mon, 14 Mar 2005 16:04:48 +1100 Message-Id: <1110776689.5131.37.camel@npiggin-nld.site> Mime-Version: 1.0 X-Mailer: Evolution 2.0.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1302 Lines: 29 On Mon, 2005-03-14 at 05:53 +0100, Christian Schmid wrote: > > The other thing that worries me is your need for lower_zone_protection. > > I think this may be due to unbalanced highmem vs lowmem reclaim. It > > would be interesting to know if those patches I sent you improve this. > > They certainly improve reclaim balancing for me... but again I guess > > you'll be reluctant to do much experimentation :\ > > I have tested your patch and unfortunately on 2.6.11 it didnt change anything :( I reported this > before, or do you mean something else? I am of course willing to test patches as I do not want to > stick with 2.6.10 forever. Well I hope that scheduler developments in progress will put future kernels at least on par with 2.6.10 again (and hopefully better). Yes you did report that my patch didn't help 2.6.11, but could those results have been influenced by the suboptimal HT scheduling? If so, I was interested in the results with HT turned off. Nick Find local movie times and trailers on Yahoo! Movies. http://au.movies.yahoo.com - 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/