Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261650AbVCWQOx (ORCPT ); Wed, 23 Mar 2005 11:14:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261663AbVCWQOx (ORCPT ); Wed, 23 Mar 2005 11:14:53 -0500 Received: from mx1.redhat.com ([66.187.233.31]:34784 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S261650AbVCWQOn (ORCPT ); Wed, 23 Mar 2005 11:14:43 -0500 Date: Wed, 23 Mar 2005 11:14:41 -0500 From: Dave Jones To: Giuseppe Bilotta Cc: linux-kernel@vger.kernel.org Subject: Re: dmesg verbosity [was Re: AGP bogosities] Message-ID: <20050323161441.GA7994@redhat.com> Mail-Followup-To: Dave Jones , Giuseppe Bilotta , linux-kernel@vger.kernel.org References: <16944.62310.967444.786526@cargo.ozlabs.ibm.com> <20050314083717.GA19337@elf.ucw.cz> <200503140855.18446.jbarnes@engr.sgi.com> <20050314191230.3eb09c37.diegocg@gmail.com> <1110827273.14842.3.camel@mindpipe> <20050323013729.0f5cd319.diegocg@gmail.com> <1111539217.4691.57.camel@mindpipe> <20050323011313.GL15879@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 846 Lines: 20 On Wed, Mar 23, 2005 at 09:21:22AM +0100, Giuseppe Bilotta wrote: > Dave Jones wrote: > > Some of the folks on our desktop team have been doing a bunch of experiments > > at getting boot times down, including laying out the blocks in a more > > optimal manner, allowing /sbin/readahead to slurp the data off the disk > > in one big chunk, and run almost entirely from cache. > > What are the cons of using "all of" the RAM at boot time to > cache the boot disk? It's memory that's otherwise unused. Once you start using the system anything cached will get reclaimed as its needed. Dave - 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/