From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754636AbYIOGUV (ORCPT ); Mon, 15 Sep 2008 02:20:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751285AbYIOGUI (ORCPT ); Mon, 15 Sep 2008 02:20:08 -0400 Received: from nocturne.unbit.it ([81.174.68.18]:35610 "EHLO smtp.unbit.it" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751683AbYIOGUH (ORCPT ); Mon, 15 Sep 2008 02:20:07 -0400 Subject: Re: [PATCH] xen: Fix for xen guest with mem > 3.7G From: Roberto De Ioris Reply-To: roberto@unbit.it To: Jeremy Fitzhardinge Cc: Ingo Molnar , jeremy@xensource.com, linux-kernel@vger.kernel.org, Mirko Iannella , Alex Nixon In-Reply-To: <48CDFC10.8060906@goop.org> References: <1221333418.6036.9.camel@sirius> <48CC2C12.4080302@goop.org> <20080914132104.GB32106@elte.hu> <48CD22CF.9030900@goop.org> <1221428593.6036.15.camel@sirius> <48CDFC10.8060906@goop.org> Content-Type: text/plain Organization: Unbit Date: Mon, 15 Sep 2008 08:20:01 +0200 Message-Id: <1221459601.6036.18.camel@sirius> Mime-Version: 1.0 X-Mailer: Evolution 2.23.91 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2008-09-14 at 23:09 -0700, Jeremy Fitzhardinge wrote: > Roberto De Ioris wrote: > > In this way you pass a 64bit integer to the function, but max_pfn in > > origin is still 32bit. > > > > max_pfn need to be 64bit to supporto more than 4GB > > > > No, a 32-bit pfn (page frame number) is sufficient for 2^44 bytes of > memory. Does this patch work for you? > > J Ops, you are right, pfn is not in bytes ;) The patch works. -- Roberto De Ioris http://unbit.it JID: roberto@jabber.unbit.it