Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261436AbVCWWGg (ORCPT ); Wed, 23 Mar 2005 17:06:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262949AbVCWWGg (ORCPT ); Wed, 23 Mar 2005 17:06:36 -0500 Received: from ozlabs.org ([203.10.76.45]:42949 "EHLO ozlabs.org") by vger.kernel.org with ESMTP id S261436AbVCWWGc (ORCPT ); Wed, 23 Mar 2005 17:06:32 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16961.59549.946004.551974@cargo.ozlabs.ibm.com> Date: Thu, 24 Mar 2005 09:07:25 +1100 From: Paul Mackerras To: "Luck, Tony" Cc: "Hugh Dickins" , "Nick Piggin" , , , , , Subject: RE: [PATCH 1/6] freepgt: free_pgtables use vma list In-Reply-To: References: X-Mailer: VM 7.19 under Emacs 21.3.1 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 512 Lines: 14 Luck, Tony writes: > Can we legislate that "end==0" isn't possible. I think this is only likely to be a problem on 32-bit platforms with hardware support for separate user and kernel address spaces. m68k and sparc32 come to mind, though I might be mistaken. Paul. - 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/