Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261823AbTEUJ2M (ORCPT ); Wed, 21 May 2003 05:28:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261825AbTEUJ2M (ORCPT ); Wed, 21 May 2003 05:28:12 -0400 Received: from ns.suse.de ([213.95.15.193]:36106 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S261823AbTEUJ2M (ORCPT ); Wed, 21 May 2003 05:28:12 -0400 To: mikpe@csd.uu.se Cc: tripperda@nvidia.com, linux-kernel@vger.kernel.org Subject: Re: pat support in the kernel References: <20030520185409.GB941@hygelac.suse.lists.linux.kernel> <16074.33371.411219.528228@gargle.gargle.HOWL.suse.lists.linux.kernel> From: Andi Kleen Date: 21 May 2003 11:41:11 +0200 In-Reply-To: <16074.33371.411219.528228@gargle.gargle.HOWL.suse.lists.linux.kernel> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 619 Lines: 13 mikpe@csd.uu.se writes: > (Large pages ignoring PAT index bit 2, or something like that.) change_page_attr will force 4K pages for these anyways, so for the kernel direct mapping it should not be an issue. For the hugetlbfs user mapping you may need to check the case, but it's probably reasonable to EINVAL there. Other than that everything should be 4K mapped. -Andi - 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/