From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764342AbYEHUI5 (ORCPT ); Thu, 8 May 2008 16:08:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754120AbYEHUIl (ORCPT ); Thu, 8 May 2008 16:08:41 -0400 Received: from e34.co.us.ibm.com ([32.97.110.152]:33018 "EHLO e34.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751837AbYEHUIf (ORCPT ); Thu, 8 May 2008 16:08:35 -0400 Subject: Re: [PATCH] x86: fix PAE pmd_bad bootup warning From: Dave Hansen To: Matt Mackall Cc: Hugh Dickins , Nishanth Aravamudan , Hans Rosenfeld , Ingo Molnar , Jeff Chua , Thomas Gleixner , "H. Peter Anvin" , Gabriel C , Arjan van de Ven , linux-kernel@vger.kernel.org, linux-mm@kvack.org In-Reply-To: <1210276153.7018.90.camel@calx> References: <20080506202201.GB12654@escobedo.amd.com> <1210106579.4747.51.camel@nimitz.home.sr71.net> <20080508143453.GE12654@escobedo.amd.com> <1210258350.7905.45.camel@nimitz.home.sr71.net> <20080508151145.GG12654@escobedo.amd.com> <1210261882.7905.49.camel@nimitz.home.sr71.net> <20080508161925.GH12654@escobedo.amd.com> <20080508163352.GN23990@us.ibm.com> <20080508165111.GI12654@escobedo.amd.com> <20080508171657.GO23990@us.ibm.com> <1210276153.7018.90.camel@calx> Content-Type: text/plain Date: Thu, 08 May 2008 13:08:17 -0700 Message-Id: <1210277297.7905.74.camel@nimitz.home.sr71.net> Mime-Version: 1.0 X-Mailer: Evolution 2.12.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2008-05-08 at 14:49 -0500, Matt Mackall wrote: > I'd gone to some lengths to pull VMAs out of the picture as it's quite > ugly to have to simultaneously walk VMAs and pagetables. But I may have > to concede that living with hugepages requires it. Yeah, it will definitely change the way that we have to do the pagetable walk. Should we just pass the mm around and make anyone that really wants to get the VMAs do the lookup themselves? Or, should we just provide the VMA? I'll start with just the mm and see where it goes... -- Dave