From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932787AbWL1Ja7 (ORCPT ); Thu, 28 Dec 2006 04:30:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932763AbWL1Ja7 (ORCPT ); Thu, 28 Dec 2006 04:30:59 -0500 Received: from sorrow.cyrius.com ([65.19.161.204]:37267 "EHLO sorrow.cyrius.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932787AbWL1Ja6 (ORCPT ); Thu, 28 Dec 2006 04:30:58 -0500 Date: Thu, 28 Dec 2006 10:30:41 +0100 From: Martin Michlmayr To: Gordon Farquharson Cc: Linus Torvalds , David Miller , ranma@tdiedrich.de, Peter Zijlstra , andrei.popa@i-neo.ro, Andrew Morton , hugh@veritas.com, nickpiggin@yahoo.com.au, arjan@infradead.org, Linux Kernel Mailing List Subject: Re: [PATCH] mm: fix page_mkclean_one Message-ID: <20061228093041.GA14626@deprecation.cyrius.com> References: <20061226.205518.63739038.davem@davemloft.net> <20061227.165246.112622837.davem@davemloft.net> <97a0a9ac0612272032uf5358c4qf12bf183f97309a6@mail.gmail.com> <97a0a9ac0612272115g4cce1f08n3c3c8498a6076bd5@mail.gmail.com> <97a0a9ac0612272138o5348488ahfde03f9e22a71b5d@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <97a0a9ac0612272138o5348488ahfde03f9e22a71b5d@mail.gmail.com> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Gordon Farquharson [2006-12-27 22:38]: > >That's just 400kB! > > > >There's no way you should see corruption with that kind of value. It > >should all stay solidly in the cache. > > > >Is this perhaps with ARM nommu or something else strange? It may be that > >the program just doesn't work at all if mmap() is faked out with a malloc > >or similar. > > Definitely a question for the ARM gurus. I'm out of my depth. The CPU has a MMU. For reference, it's a IXP4xx based device with 32 MB of memory. -- Martin Michlmayr http://www.cyrius.com/