From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ve0-f177.google.com (mail-ve0-f177.google.com [209.85.128.177]) by kanga.kvack.org (Postfix) with ESMTP id 795A26B0035 for ; Tue, 22 Apr 2014 10:55:39 -0400 (EDT) Received: by mail-ve0-f177.google.com with SMTP id sa20so9503294veb.22 for ; Tue, 22 Apr 2014 07:55:39 -0700 (PDT) Received: from mail-ve0-x231.google.com (mail-ve0-x231.google.com [2607:f8b0:400c:c01::231]) by mx.google.com with ESMTPS id iz10si6937014vec.6.2014.04.22.07.55.38 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 22 Apr 2014 07:55:38 -0700 (PDT) Received: by mail-ve0-f177.google.com with SMTP id sa20so9550617veb.36 for ; Tue, 22 Apr 2014 07:55:38 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <1398032742.19682.11.camel@pasglop> <1398054064.19682.32.camel@pasglop> <1398057630.19682.38.camel@pasglop> <53558507.9050703@zytor.com> <53559F48.8040808@intel.com> Date: Tue, 22 Apr 2014 07:55:38 -0700 Message-ID: Subject: Re: Dirty/Access bits vs. page content From: Linus Torvalds Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: Tony Luck Cc: Dave Hansen , "H. Peter Anvin" , Benjamin Herrenschmidt , Peter Zijlstra , "linux-arch@vger.kernel.org" , linux-mm , Russell King - ARM Linux On Mon, Apr 21, 2014 at 10:15 PM, Tony Luck wrote: > > It builds and boots on ia64 with no new warnings. I haven't done > anything more stressful than booting though - so unsure whether > there are any corners cases that might show up under load. Thanks. It shouldn't actually change any behavior on ia64 (you'd have to do any dirty bit batching yourself), I was mainly worried about compile warnings due to not having the set_page_dirty() declaration due to some odd header file issues. Linus -- 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: email@kvack.org