Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759241Ab3GaIRP (ORCPT ); Wed, 31 Jul 2013 04:17:15 -0400 Received: from relay.parallels.com ([195.214.232.42]:55102 "EHLO relay.parallels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759217Ab3GaIRM (ORCPT ); Wed, 31 Jul 2013 04:17:12 -0400 Message-ID: <51F8C7F4.9020504@parallels.com> Date: Wed, 31 Jul 2013 12:16:52 +0400 From: Pavel Emelyanov User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120605 Thunderbird/13.0 MIME-Version: 1.0 To: Cyrill Gorcunov , CC: , , , , , , , , , , Subject: Re: [patch 2/2] [PATCH] mm: Save soft-dirty bits on file pages References: <20130730204154.407090410@gmail.com> <20130730204654.966378702@gmail.com> In-Reply-To: <20130730204654.966378702@gmail.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.30.16.114] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 697 Lines: 16 On 07/31/2013 12:41 AM, Cyrill Gorcunov wrote: > Andy reported that if file page get reclaimed we loose soft-dirty bit > if it was there, so save _PAGE_BIT_SOFT_DIRTY bit when page address > get encoded into pte entry. Thus when #pf happens on such non-present > pte we can restore it back. > > Reported-by: Andy Lutomirski > Signed-off-by: Cyrill Gorcunov Acked-by: Pavel Emelyanov -- 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/