Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763368AbXJETyk (ORCPT ); Fri, 5 Oct 2007 15:54:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751293AbXJETyd (ORCPT ); Fri, 5 Oct 2007 15:54:33 -0400 Received: from mx1.redhat.com ([66.187.233.31]:46996 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751199AbXJETyc (ORCPT ); Fri, 5 Oct 2007 15:54:32 -0400 Date: Fri, 5 Oct 2007 15:54:18 -0400 From: Rik van Riel To: Peter Zijlstra Cc: Andrew Morton , Miklos Szeredi , wfg@mail.ustc.edu.cn, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] remove throttle_vm_writeout() Message-ID: <20071005155418.5309e9c3@cuia.boston.redhat.com> In-Reply-To: <1191569577.22357.22.camel@twins> References: <20071004145640.18ced770.akpm@linux-foundation.org> <20071004160941.e0c0c7e5.akpm@linux-foundation.org> <1191569577.22357.22.camel@twins> Organization: Red Hat, Inc X-Mailer: Claws Mail 3.0.0 (GTK+ 2.10.14; i386-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 X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 527 Lines: 15 On Fri, 05 Oct 2007 09:32:57 +0200 Peter Zijlstra wrote: > I think just adding nr_cpus * ratelimit_pages to the dirth_thresh in > throttle_vm_writeout() will also solve the problem Agreed, that should fix the main latency issues. -- All Rights Reversed - 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/