From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by e33.co.us.ibm.com (8.12.10/8.12.9) with ESMTP id iBDMGkDr571326 for ; Mon, 13 Dec 2004 17:16:46 -0500 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay04.boulder.ibm.com (8.12.10/NCO/VER6.6) with ESMTP id iBDMGjXP212550 for ; Mon, 13 Dec 2004 15:16:46 -0700 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.12.11/8.12.11) with ESMTP id iBDMGjI3022223 for ; Mon, 13 Dec 2004 15:16:45 -0700 Date: Mon, 13 Dec 2004 14:16:19 -0800 From: "Martin J. Bligh" 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: owner-linux-mm@kvack.org Return-Path: 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 List-ID: >> 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. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: aart@kvack.org