Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750936AbWAJSjf (ORCPT ); Tue, 10 Jan 2006 13:39:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750804AbWAJSjf (ORCPT ); Tue, 10 Jan 2006 13:39:35 -0500 Received: from dvhart.com ([64.146.134.43]:2689 "EHLO dvhart.com") by vger.kernel.org with ESMTP id S1750936AbWAJSjf (ORCPT ); Tue, 10 Jan 2006 13:39:35 -0500 Message-ID: <43C3FF66.7000004@mbligh.org> Date: Tue, 10 Jan 2006 10:39:34 -0800 From: Martin Bligh User-Agent: Mozilla Thunderbird 1.0.7 (X11/20051011) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Linus Torvalds Cc: Jens Axboe , Byron Stanoszek , Ingo Molnar , linux-kernel@vger.kernel.org, Andrew Morton Subject: Re: 2G memory split References: <20060110125852.GA3389@suse.de> <20060110132957.GA28666@elte.hu> <20060110133728.GB3389@suse.de> <20060110143931.GM3389@suse.de> <43C3F986.4090209@mbligh.org> In-Reply-To: Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 849 Lines: 23 Linus Torvalds wrote: > > On Tue, 10 Jan 2006, Martin Bligh wrote: > >>The non-1GB-aligned ones need to be disbarred when PAE is on, I think. > > > Well, right now _all_ the non-3:1 cases need to be disbarred. I think we > depend on the kernel mapping only ever being the _one_ last entry in the > top-level page table, which is only true with the 3:1 mapping. > > But I didn't check. I think it was OK as of 2.6.5 or so, unless something changed recently. Used to work unless you had PAE on, and a non-aligned split ... I had that patch as a config option for a long time, as did SuSE, etc. M. - 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/