From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757343AbXHERiT (ORCPT ); Sun, 5 Aug 2007 13:38:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751825AbXHERiL (ORCPT ); Sun, 5 Aug 2007 13:38:11 -0400 Received: from shawidc-mo1.cg.shawcable.net ([24.71.223.10]:60090 "EHLO pd2mo3so.prod.shaw.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751782AbXHERiK (ORCPT ); Sun, 5 Aug 2007 13:38:10 -0400 Date: Sun, 05 Aug 2007 11:38:00 -0600 From: Robert Hancock Subject: Re: Page Cache question In-reply-to: To: Adnan Khaleel Cc: linux-kernel@vger.kernel.org Message-id: <46B60AF8.1020401@shaw.ca> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7bit References: User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Adnan Khaleel wrote: > So would it be possible to me to disable it for just a particular user space process? It's the core of the whole VM/memory management subsystem. It's not something you can just disable. It would be better if you explained what exactly you were trying to accomplish.. > > Adnan > > >> I'm looking for a way to disable the page cache for an > >> experimental NUMA system running the 2.6.17 kernel. I would prefer to > >> only disable the page cache for my process and still have it be enabled > >> by the rest of the system. Is there an easy way of doing this? > >> Alternatively, I would be fine disabling the Page Cache altogether as well. > > > > All user memory is in the page cache. Without it you could only run kernel > > modules. > > > > -Andi -- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/