From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760834AbXJXWxT (ORCPT ); Wed, 24 Oct 2007 18:53:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755582AbXJXWxJ (ORCPT ); Wed, 24 Oct 2007 18:53:09 -0400 Received: from smtp2.linux-foundation.org ([207.189.120.14]:53533 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755532AbXJXWxI (ORCPT ); Wed, 24 Oct 2007 18:53:08 -0400 Date: Wed, 24 Oct 2007 15:48:00 -0700 From: Andrew Morton To: "H. Peter Anvin" Cc: ak@suse.de, jeremy@goop.org, ying.huang@intel.com, ebiederm@xmission.com, torvalds@linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH -v7 1/3] x86 boot: setup data Message-Id: <20071024154800.4e0735eb.akpm@linux-foundation.org> In-Reply-To: <471E89E1.7060903@zytor.com> References: <1193126771.23935.79.camel@caritas-dev.intel.com> <471E70E0.2090802@goop.org> <200710240118.21160.ak@suse.de> <471E89E1.7060903@zytor.com> X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.20; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 23 Oct 2007 16:55:13 -0700 "H. Peter Anvin" wrote: > Andi Kleen wrote: > > > > With the early reserve code in > > ftp://firstfloor.org/pub/ak/x86_64/quilt/patches/early-reserve > > and > > ftp://firstfloor.org/pub/ak/x86_64/quilt/patches/early-alloc > > this could be likely done cleaner. > > > > Indeed it could. For i386, the equivalent code would have another > significant benefit: reserving memory and then mapping and accessing it > later would (at least eventually) allow accesses > 4 GB on PAE kernels > (or with a PSE36 hack, on non-PAE kernels.) > Cleaner sounds good. I'll duck these patches for now. This one doesn't apply, btw: setup_32.h disappeared.