From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933385AbXBAGtz (ORCPT ); Thu, 1 Feb 2007 01:49:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161136AbXBAGtz (ORCPT ); Thu, 1 Feb 2007 01:49:55 -0500 Received: from terminus.zytor.com ([192.83.249.54]:42777 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933385AbXBAGty (ORCPT ); Thu, 1 Feb 2007 01:49:54 -0500 Message-ID: <45C18D87.6000905@zytor.com> Date: Wed, 31 Jan 2007 22:49:43 -0800 From: "H. Peter Anvin" User-Agent: Thunderbird 1.5.0.9 (X11/20061219) MIME-Version: 1.0 To: Sebastian Kemper CC: linux-kernel@vger.kernel.org Subject: Re: 2.6.20-rc7 mtrr handling References: <200701312046.02196.sebastian_ml@gmx.net> <45C18506.5090001@zytor.com> <200702010738.39497.sebastian_ml@gmx.net> In-Reply-To: <200702010738.39497.sebastian_ml@gmx.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Sebastian Kemper wrote: > On Thursday 01 February 2007 07:13, you wrote: >> Sebastian Kemper wrote: >>> But now /proc/mtrr shows 256MB of video ram, same as lspci, whereas >>> the real amount of video ram (as properly detected by X) is only >>> 128MB. >> The size of the aperture doesn't have to match the actual amount of >> memory. For many cards it doesn't. >> >> -hpa > > Hello Peter, > > sorry, I don't understand. Are you talking about the AGP Aperture size > that I can set in my BIOS or about the actual video ram on the graphics > card. Because that's the one that the mtrr sets to its double size. Neither. I'm talking about the window in the address space, as shown in /proc/pci. -hpa