Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261473AbVCFVuS (ORCPT ); Sun, 6 Mar 2005 16:50:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261471AbVCFVuF (ORCPT ); Sun, 6 Mar 2005 16:50:05 -0500 Received: from note.orchestra.cse.unsw.EDU.AU ([129.94.242.24]:14818 "EHLO note.orchestra.cse.unsw.EDU.AU") by vger.kernel.org with ESMTP id S261371AbVCFVtt (ORCPT ); Sun, 6 Mar 2005 16:49:49 -0500 From: Darren Williams To: Christoph Lameter Date: Mon, 7 Mar 2005 08:49:02 +1100 Cc: Darren Williams , akpm@osdl.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org Subject: Re: Page fault scalability patch V18: Overview Message-ID: <20050306214902.GC19053@cse.unsw.EDU.AU> Mail-Followup-To: Christoph Lameter , Darren Williams , akpm@osdl.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org References: <20050304021847.GF28102@cse.unsw.EDU.AU> <20050304024704.GG28102@cse.unsw.EDU.AU> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.6+20040523i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3522 Lines: 93 Hi Christoph On Fri, 04 Mar 2005, Christoph Lameter wrote: > Make sure that scrubd_stop on startup is set to 2 and no zero in > mm/scrubd.c. The current patch on oss.sgi.com may have that set to zero. > unsigned int sysctl_scrub_stop = 2; /* Mininum order of page to zero */ This is the assignment when page zero fails. Darren > On Fri, 4 Mar 2005, Darren Williams wrote: > > > Hi Darren > > > > On Fri, 04 Mar 2005, Darren Williams wrote: > > > > > Hi Christoph > > > > > > On Tue, 01 Mar 2005, Christoph Lameter wrote: > > > > > > > Is there any chance that this patchset could go into mm now? This has been > > > > discussed since last August.... > > > > > > > > Changelog: > > > > > > > > V17->V18 Rediff against 2.6.11-rc5-bk4 > > > > > > Just applied this patch against 2.6.11, however with the patch applied > > > and all the aditional config options not set, the kernel hangs at > > > Freeing unused kernel memory: 240kB freed > > > FYI: > > > > > > boot atomic prezero > > > OK on on > > > fail off on > > > fail off off > > > OK on off > > > > A bit extra info on the system: > > HP rx8620 Itanium(R) 2 16way > > > > > > > > > V16->V17 Do not increment page_count in do_wp_page. Performance data > > > > posted. > > > > V15->V16 of this patch: Redesign to allow full backback > > > > for architectures that do not supporting atomic operations. > > > > > > > > An introduction to what this patch does and a patch archive can be found on > > > > http://oss.sgi.com/projects/page_fault_performance. The archive also has the > > > > result of various performance tests (LMBench, Microbenchmark and > > > > kernel compiles). > > > > > > > > The basic approach in this patchset is the same as used in SGI's 2.4.X > > > > based kernels which have been in production use in ProPack 3 for a long time. > > > > > > > > The patchset is composed of 4 patches (and was tested against 2.6.11-rc5-bk4): > > > > > > > [SNIP] > > > > > > > - > > > > To unsubscribe from this list: send the line "unsubscribe linux-ia64" in > > > > the body of a message to majordomo@vger.kernel.org > > > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > -------------------------------------------------- > > > Darren Williams > > > Gelato@UNSW > > > -------------------------------------------------- > > > - > > > 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/ > > -------------------------------------------------- > > Darren Williams > > Gelato@UNSW > > -------------------------------------------------- > > > - > To unsubscribe from this list: send the line "unsubscribe linux-ia64" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -------------------------------------------------- Darren Williams Gelato@UNSW -------------------------------------------------- - 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/