From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754744AbYACSn5 (ORCPT ); Thu, 3 Jan 2008 13:43:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752582AbYACSnu (ORCPT ); Thu, 3 Jan 2008 13:43:50 -0500 Received: from cantor.suse.de ([195.135.220.2]:42650 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752249AbYACSnt (ORCPT ); Thu, 3 Jan 2008 13:43:49 -0500 From: Andi Kleen Organization: SUSE Linux Products GmbH, Nuernberg, GF: Markus Rex, HRB 16746 (AG Nuernberg) To: Vivek Goyal Subject: Re: [PATCH] [1/8] GBPAGES: Handle kernel near memory hole in clear_kernel_mapping Date: Thu, 3 Jan 2008 19:43:05 +0100 User-Agent: KMail/1.9.6 Cc: ebiederm@xmission.com, linux-kernel@vger.kernel.org References: <20080103626.635376000@suse.de> <20080103172657.B5CFA14DDD@wotan.suse.de> <20080103182928.GC3028@redhat.com> In-Reply-To: <20080103182928.GC3028@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200801031943.05688.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Got a question. How will kernel continue to run if we unmap the kernel > text/data region mappings? Normally it shouldn't be in the same 2MB area as the aperture (which is the only thing that is unmapped). The problem is mostly the rest of the 40MB kernel mapping. -Andi