From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934188AbXC0THA (ORCPT ); Tue, 27 Mar 2007 15:07:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S934189AbXC0THA (ORCPT ); Tue, 27 Mar 2007 15:07:00 -0400 Received: from mx1.redhat.com ([66.187.233.31]:49647 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934188AbXC0TG7 (ORCPT ); Tue, 27 Mar 2007 15:06:59 -0400 From: David Howells In-Reply-To: <8bd0f97a0703271000x2910b2fan573fd37bb45a058d@mail.gmail.com> References: <8bd0f97a0703271000x2910b2fan573fd37bb45a058d@mail.gmail.com> <20070326024143.a226c9b2.akpm@linux-foundation.org> <1174904637.32691.86.camel@roc-desktop> <6017.1174908318@redhat.com> <6791.1174909459@redhat.com> <11045.1174911764@redhat.com> <22674.1174915478@redhat.com> <8bd0f97a0703261321h356a849am1ab617f0e732fa67@mail.gmail.com> <27782.1174989913@redhat.com> To: "Mike Frysinger" Cc: "Pekka J Enberg" , "Andrew Morton" , bryan.wu@analog.com, linux-kernel@vger.kernel.org, "Hugh Dickins" , "Alan Cox" Subject: Re: [PATCH -mm] Revoke core code: fix nommu arch compiling error bug X-Mailer: MH-E 8.0; nmh 1.1; GNU Emacs 22.0.50 Date: Tue, 27 Mar 2007 20:06:28 +0100 Message-ID: <26771.1175022388@redhat.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Mike Frysinger wrote: > > That sounds reasonable. However, I suspect that most NOMMU CPUs won't be > > able to do that. In effect you're creating a third option, I think (MMU, > > NOMMU, MPU). > > sure, but i'm not sure the MPU option would be mutually exclusive with > NOMMU ... in the Blackfin case, we'd want both ... I imagine that MPU would be a superset of NOMMU. David