From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761869AbYEEWGt (ORCPT ); Mon, 5 May 2008 18:06:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755686AbYEEWGi (ORCPT ); Mon, 5 May 2008 18:06:38 -0400 Received: from mx1.redhat.com ([66.187.233.31]:44921 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752186AbYEEWGh (ORCPT ); Mon, 5 May 2008 18:06:37 -0400 Date: Mon, 5 May 2008 18:06:29 -0400 From: Rik van Riel To: "Kevin Burton" Cc: "Chris Friesen" , "FD Cami" , linux-kernel@vger.kernel.org Subject: Re: Ability to limit or disable page caching? Message-ID: <20080505180629.3b60c5fb@cuia.bos.redhat.com> In-Reply-To: <30c6373b0805051432k2c5c3311vffb10fdf2a0ac1cd@mail.gmail.com> References: <30c6373b0805050012o505c0540i116a31bc1ab9ce9f@mail.gmail.com> <20080505131607.5556b1f2@olorin> <30c6373b0805051134m634efbbdn45167c1eae29df4a@mail.gmail.com> <20080505212831.22371732@olorin> <30c6373b0805051242o2f38f0a3v62bd43f4fa01559e@mail.gmail.com> <20080505164446.2ec9a543@cuia.bos.redhat.com> <481F7613.6040809@nortel.com> <30c6373b0805051432k2c5c3311vffb10fdf2a0ac1cd@mail.gmail.com> Organization: Red Hat, Inc X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.5; 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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 5 May 2008 14:32:41 -0700 "Kevin Burton" wrote: > I'd like to be able to disable the cache altogether..... It seems > like an easy tunable to add and might help benefit future testing. Executables, libraries, shared memory segments, directories and all kinds of other things live in the page cache. You cannot disable it without breaking the most basic functionality. -- All Rights Reversed