Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751069AbVIKXY5 (ORCPT ); Sun, 11 Sep 2005 19:24:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751080AbVIKXY5 (ORCPT ); Sun, 11 Sep 2005 19:24:57 -0400 Received: from mail.dvmed.net ([216.237.124.58]:62873 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S1751069AbVIKXY5 (ORCPT ); Sun, 11 Sep 2005 19:24:57 -0400 Message-ID: <4324BCBB.90407@pobox.com> Date: Sun, 11 Sep 2005 19:24:43 -0400 From: Jeff Garzik User-Agent: Mozilla Thunderbird 1.0.6-1.1.fc4 (X11/20050720) X-Accept-Language: en-us, en MIME-Version: 1.0 To: "Luck, Tony" CC: ak@suse.de, torvalds@osdl.org, Greg Edwards , linux-kernel@vger.kernel.org, discuss@x86-64.org Subject: Re: [2/3] Set compatibility flag for 4GB zone on IA64 References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 580 Lines: 16 Luck, Tony wrote: > ia64 isn't all that homogeneous. SGI systems stuff *all* memory > into the DMA zone as their I/O devices have no 32-bit limits (just > as well really as there is no memory below 4G on an Altix!). SGI machines support random PCI cards, right? If so, you cannot presume I/O devices have no 32-bit limits. Jeff - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/