Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754644AbWLRVqU (ORCPT ); Mon, 18 Dec 2006 16:46:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754643AbWLRVqU (ORCPT ); Mon, 18 Dec 2006 16:46:20 -0500 Received: from smtp.osdl.org ([65.172.181.25]:48642 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754644AbWLRVqT (ORCPT ); Mon, 18 Dec 2006 16:46:19 -0500 Date: Mon, 18 Dec 2006 13:43:42 -0800 From: Andrew Morton To: Linus Torvalds Cc: Andrei Popa , Peter Zijlstra , Linux Kernel Mailing List , Hugh Dickins , Florian Weimer , Marc Haber , Martin Michlmayr Subject: Re: 2.6.19 file content corruption on ext3 Message-Id: <20061218134342.1ae02f75.akpm@osdl.org> In-Reply-To: References: <1166314399.7018.6.camel@localhost> <20061217040620.91dac272.akpm@osdl.org> <1166362772.8593.2.camel@localhost> <20061217154026.219b294f.akpm@osdl.org> <1166460945.10372.84.camel@twins> <1166466272.10372.96.camel@twins> <1166468651.6983.6.camel@localhost> <1166471069.6940.4.camel@localhost> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.6; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 848 Lines: 23 On Mon, 18 Dec 2006 12:14:35 -0800 (PST) Linus Torvalds wrote: > OR: > > - page_mkclean_one() is simply buggy. > > And I'm starting to wonder about the second case. But it all LOOKS really > fine - I can't see anything wrong there (it uses the extremely > conservative "ptep_get_and_clear()", and seems to flush everything right > too, through "ptep_establish()"). What does the call to page_check_address() in there do? It'd be good to have a printk in there to see if it's triggering. Is this all correct for non-linear VMAs? (rtorrent doesn't use MAP_NONLINEAR though). - 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/