From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758002AbYFPV4J (ORCPT ); Mon, 16 Jun 2008 17:56:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757790AbYFPVzd (ORCPT ); Mon, 16 Jun 2008 17:55:33 -0400 Received: from gw.goop.org ([64.81.55.164]:38043 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757631AbYFPVzc (ORCPT ); Mon, 16 Jun 2008 17:55:32 -0400 Message-ID: <4856E12B.6040500@goop.org> Date: Mon, 16 Jun 2008 14:54:51 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: the arch/x86 maintainers CC: Yinghai Lu , Linux Kernel Mailing List Subject: [PATCH 3/3] xen: set max_pfn_mapped X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We need to set max_pfn_mapped, so do so. Xen guarantees that at least 512k is mapped beyond the end of the kernel image, so we can rely on that being present. Signed-off-by: Jeremy Fitzhardinge Cc: Yinghai Lu --- arch/x86/xen/enlighten.c | 1 + 1 file changed, 1 insertion(+) =================================================================== --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1266,6 +1266,7 @@ init_pg_tables_start = __pa(pgd); init_pg_tables_end = __pa(pgd) + xen_start_info->nr_pt_frames*PAGE_SIZE; + max_pfn_mapped = (init_pg_tables_end + 512*1024) >> PAGE_SHIFT; init_mm.pgd = pgd; /* use the Xen pagetables to start */