Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264085AbUFBUao (ORCPT ); Wed, 2 Jun 2004 16:30:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264096AbUFBU3Q (ORCPT ); Wed, 2 Jun 2004 16:29:16 -0400 Received: from palrel12.hp.com ([156.153.255.237]:56523 "EHLO palrel12.hp.com") by vger.kernel.org with ESMTP id S264098AbUFBU1N (ORCPT ); Wed, 2 Jun 2004 16:27:13 -0400 From: David Mosberger MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16574.14357.123292.702881@napali.hpl.hp.com> Date: Wed, 2 Jun 2004 13:27:01 -0700 To: Hugh Dickins Cc: Andrew Morton , davidm@hpl.hp.com, , , , , , Subject: Re: [PATCH] pretest pte_young and pte_dirty In-Reply-To: References: X-Mailer: VM 7.18 under Emacs 21.3.1 Reply-To: davidm@hpl.hp.com X-URL: http://www.hpl.hp.com/personal/David_Mosberger/ Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 831 Lines: 20 >>>>> On Wed, 2 Jun 2004 21:16:59 +0100 (BST), Hugh Dickins said: Hugh> Test for pte_young before going to the costlier atomic Hugh> test_and_clear, as asm-generic does. Test for pte_dirty Hugh> before going to the costlier atomic test_and_clear, as Hugh> asm-generic does (I said before that I would not do so for Hugh> pte_dirty, but was missing the point: there is nothing atomic Hugh> about deciding to do nothing). But I've not touched the Hugh> rather different ppc and ppc64. The ia64-portion of the patch looks good to me. Thanks! --david - 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/