From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261503AbULBATZ (ORCPT ); Wed, 1 Dec 2004 19:19:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261497AbULBAR2 (ORCPT ); Wed, 1 Dec 2004 19:17:28 -0500 Received: from fw.osdl.org ([65.172.181.6]:4523 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S261515AbULBAKa (ORCPT ); Wed, 1 Dec 2004 19:10:30 -0500 Date: Wed, 1 Dec 2004 16:10:18 -0800 (PST) From: Linus Torvalds To: Christoph Lameter cc: Hugh Dickins , akpm@osdl.org, Benjamin Herrenschmidt , Nick Piggin , linux-mm@kvack.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: page fault scalability patch V12 [0/7]: Overview and performance tests In-Reply-To: Message-ID: References: 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 On Wed, 1 Dec 2004, Christoph Lameter wrote: > > Changes from V11->V12 of this patch: > - dump sloppy_rss in favor of list_rss (Linus' proposal) > - keep up against current Linus tree (patch is based on 2.6.10-rc2-bk14) > > This is a series of patches that increases the scalability of > the page fault handler for SMP. Here are some performance results > on a machine with 512 processors allocating 32 GB with an increasing > number of threads (that are assigned a processor each). Ok, consider me convinced. I don't want to apply this before I get 2.6.10 out the door, but I'm happy with it. I assume Andrew has already picked up the previous version. Linus