From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754328AbYEQFvV (ORCPT ); Sat, 17 May 2008 01:51:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751731AbYEQFvK (ORCPT ); Sat, 17 May 2008 01:51:10 -0400 Received: from wa-out-1112.google.com ([209.85.146.178]:1235 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751713AbYEQFvJ (ORCPT ); Sat, 17 May 2008 01:51:09 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding; b=Cwwrw3xXu2HGgbpRy0epIMHsv/xtztoE8ZA0S8TbWS5jTu9kxcGgQQmrC1AKQCQGcLS2XxcN1Ifggegvmr4i7LY4rTZjEoMrGaCzUlTDVD7iLj0jKWBGGjJLyiowP0IJZ/lVm2VnLi21YDxyt0Zb0bCULjHW9JoBt4SSNT29XMk= Message-ID: <482E7246.5070607@gmail.com> Date: Sat, 17 May 2008 14:51:02 +0900 From: MinChan Kim User-Agent: Thunderbird 2.0.0.14 (X11/20080505) MIME-Version: 1.0 To: Rik van Riel CC: linux-kernel@vger.kernel.org, Andrew Morton , Lee Schermerhorn , Kosaki Motohiro Subject: Re: [patch 00/14] VM pageout scalability improvements (V7) References: <20080516183207.361608893@redhat.com> In-Reply-To: <20080516183207.361608893@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rik van Riel wrote: > On large memory systems, the VM can spend way too much time scanning > through pages that it cannot (or should not) evict from memory. Not > only does it use up CPU time, but it also provokes lock contention > and can leave large systems under memory presure in a catatonic state. > > Against 2.6.25-rc2-mm1 > I think it's typo error. This patch is based on 2.6.26-rc2-mm1. :-) > This patch series improves VM scalability by: