From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261205AbULMWXw (ORCPT ); Mon, 13 Dec 2004 17:23:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261293AbULMWWj (ORCPT ); Mon, 13 Dec 2004 17:22:39 -0500 Received: from e35.co.us.ibm.com ([32.97.110.133]:2515 "EHLO e35.co.us.ibm.com") by vger.kernel.org with ESMTP id S261205AbULMWQt (ORCPT ); Mon, 13 Dec 2004 17:16:49 -0500 Date: Mon, 13 Dec 2004 14:16:19 -0800 From: "Martin J. Bligh" To: Christoph Lameter , Akinobu Mita cc: nickpiggin@yahoo.com.au, Jeff Garzik , torvalds@osdl.org, hugh@veritas.com, benh@kernel.crashing.org, linux-mm@kvack.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Anticipatory prefaulting in the page fault handler V1 Message-ID: <8880000.1102976179@flay> In-Reply-To: References: <156610000.1102546207@flay> <200412132330.23893.amgta@yacht.ocn.ne.jp> X-Mailer: Mulberry/2.1.2 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org >> I also encountered processes segfault. >> Below patch fix several problems. >> >> 1) if no pages could allocated, returns VM_FAULT_OOM >> 2) fix duplicated pte_offset_map() call > > I also saw these two issues and I think I dealt with them in a forthcoming > patch. > >> 3) don't set_pte() for the entry which already have been set > > Not sure how this could have happened in the patch. > > Could you try my updated version: Urgle. There was a fix from Hugh too ... any chance you could just stick a whole new patch somewhere? I'm too idle/stupid to work it out ;-) M.