From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757709Ab3G3Uq7 (ORCPT ); Tue, 30 Jul 2013 16:46:59 -0400 Received: from mail-la0-f48.google.com ([209.85.215.48]:65168 "EHLO mail-la0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756953Ab3G3Uq5 (ORCPT ); Tue, 30 Jul 2013 16:46:57 -0400 Message-Id: <20130730204154.407090410@gmail.com> User-Agent: quilt/0.60-1 Date: Wed, 31 Jul 2013 00:41:54 +0400 From: Cyrill Gorcunov To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, luto@amacapital.net, gorcunov@openvz.org, xemul@parallels.com, akpm@linux-foundation.org, mpm@selenic.com, xiaoguangrong@linux.vnet.ibm.com, mtosatti@redhat.com, kosaki.motohiro@gmail.com, sfr@canb.auug.org.au, peterz@infradead.org, aneesh.kumar@linux.vnet.ibm.com Subject: [patch 0/2] Soft-dirty page tracker improvemens Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, as being reported by Andy, there are a couple of situations when soft-dirty bit will be lost, in paricular when page we're tracking is going to swap and when file page get reclaimed. In this series both problems are aimed. One more hardness which remains is the scenario when vma area (which has soft-dirty bit set in appropriate pte entries) get unmapped then new one mapped in-place. I'm working on it now hope to provide a patch soon. Thanks, Cyrill