From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761121AbZFQViK (ORCPT ); Wed, 17 Jun 2009 17:38:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754461AbZFQVh6 (ORCPT ); Wed, 17 Jun 2009 17:37:58 -0400 Received: from outbound-mail-313.bluehost.com ([67.222.54.6]:54984 "HELO outbound-mail-313.bluehost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754208AbZFQVh6 (ORCPT ); Wed, 17 Jun 2009 17:37:58 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=virtuousgeek.org; h=Received:Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References:X-Mailer:Mime-Version:Content-Type:Content-Transfer-Encoding:X-Identified-User; b=qML1LTBoW0B2ywcmHiPZmhwIRSMedzFvgdyS55LQZlXly32tY8Ybu17dqYws+gGwU3jOJjD6BwmbAy9Dy4sSDZfKYENiI8G3mxRpeUHrhAMkQMo0R+GBJk2myfoy21Hy; Date: Wed, 17 Jun 2009 14:37:56 -0700 From: Jesse Barnes To: Jesse Barnes Cc: Peter Zijlstra , Wu Fengguang , Andrew Morton , LKML Subject: Re: [PATCH 0/3] make mapped executable pages the first class citizen Message-ID: <20090617143756.5c57f6e7@jbarnes-g45> In-Reply-To: <20090617141135.0d622bfe@jbarnes-g45> References: <20090516090005.916779788@intel.com> <1242485776.32543.834.camel@laptop> <20090617141135.0d622bfe@jbarnes-g45> X-Mailer: Claws Mail 3.7.1 (GTK+ 2.16.1; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Identified-User: {10642:box514.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 75.111.28.251 authed with jbarnes@virtuousgeek.org} Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 17 Jun 2009 14:11:35 -0700 Jesse Barnes wrote: > On Sat, 16 May 2009 16:56:16 +0200 > Peter Zijlstra wrote: > > > On Sat, 2009-05-16 at 17:00 +0800, Wu Fengguang wrote: > > > Andrew, > > > > > > This patchset makes mapped executable pages the first class > > > citizen. This version has incorparated many valuable comments > > > from people in the CC list, and runs OK on my desktop. Let's test > > > it in your -mm? > > > > Seems like a good set to me. Thanks for following this through Wu! > > Now that this set has hit the mainline I just wanted to chime in and > say this makes a big difference. Under my current load (a parallel > kernel build and virtualbox session the old kernel would have been > totally unusable. With Linus's current bits, things are much better > (still a little sluggish with a big dd going on in the virtualbox, but > actually usable). To really make things better though, I changed from CFQ to deadline on the disk I'm using. I also changed swappiness to 40 and reduced my max_sectors_kb (512 -> 64) though... -- Jesse Barnes, Intel Open Source Technology Center