From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 6 Sep 2001 08:47:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 6 Sep 2001 08:46:56 -0400 Received: from humbolt.nl.linux.org ([131.211.28.48]:1037 "EHLO humbolt.nl.linux.org") by vger.kernel.org with ESMTP id ; Thu, 6 Sep 2001 08:46:48 -0400 Content-Type: text/plain; charset=US-ASCII From: Daniel Phillips To: Rik van Riel Subject: Re: page_launder() on 2.4.9/10 issue Date: Thu, 6 Sep 2001 14:53:58 +0200 X-Mailer: KMail [version 1.3.1] Cc: Jan Harkes , Marcelo Tosatti , In-Reply-To: In-Reply-To: MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: <20010906124700Z16067-32383+3773@humbolt.nl.linux.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On September 6, 2001 02:32 pm, Rik van Riel wrote: > > > Lets face it, spinning the washing machine is expensive > > > and running less than a full load makes things inefficient ;) > > > > That makes a good sound bite but doesn't stand up to scrutiny. > > It's not a washing machine ;-) > > Two words: "IO clustering". Yes, *after* the IO queue is fully loaded that makes sense. Leaving it partly or fully idle while waiting for it to load up makes no sense at all. IO clustering will happen naturally after the queue loads up. -- Daniel