From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762930AbXLUOS1 (ORCPT ); Fri, 21 Dec 2007 09:18:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755024AbXLUOSQ (ORCPT ); Fri, 21 Dec 2007 09:18:16 -0500 Received: from mx1.redhat.com ([66.187.233.31]:60853 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753936AbXLUOSP (ORCPT ); Fri, 21 Dec 2007 09:18:15 -0500 Date: Fri, 21 Dec 2007 09:17:53 -0500 From: Rik van Riel To: Nick Piggin Cc: Lee Schermerhorn , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [patch 17/20] non-reclaimable mlocked pages Message-ID: <20071221091753.15a18935@bree.surriel.com> In-Reply-To: <200712212152.19260.nickpiggin@yahoo.com.au> References: <20071218211539.250334036@redhat.com> <1198080267.5333.22.camel@localhost> <20071220155627.6872b0e6@bree.surriel.com> <200712212152.19260.nickpiggin@yahoo.com.au> Organization: Red Hat, Inc. X-Mailer: Claws Mail 3.0.2 (GTK+ 2.10.4; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 21 Dec 2007 21:52:19 +1100 Nick Piggin wrote: > BTW. if you have any workloads that are limited by page reclaim, > especially unmapped file backed pagecache reclaim, then I have some > stright-line-speedup patches which you might find interesting (I can > send them if you'd like to test). I am definately interested in those. The current upstream VM seems to be fairly good in steady state, with the largest problems happening when the system switches states (eg. from reclaiming page cache to swapping), but any speedups in the steady state are good too.