From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753236AbaCXM7h (ORCPT ); Mon, 24 Mar 2014 08:59:37 -0400 Received: from mail-lb0-f172.google.com ([209.85.217.172]:50849 "EHLO mail-lb0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752754AbaCXM7c (ORCPT ); Mon, 24 Mar 2014 08:59:32 -0400 Message-Id: <20140324125926.013008345@openvz.org> User-Agent: quilt/0.60-1 Date: Mon, 24 Mar 2014 16:28:40 +0400 From: Cyrill Gorcunov To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: hughd@google.com, xemul@parallels.com, akpm@linux-foundation.org, gorcunov@openvz.org Subject: [patch 2/4] mm: Dont forget to set softdirty on file mapped fault References: <20140324122838.490106581@openvz.org> Content-Disposition: inline; filename=mm-file-pte-softdirty-on-fault Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Otherwise we may not notice that pte was softdirty. CC: Pavel Emelyanov CC: Andrew Morton Signed-off-by: Cyrill Gorcunov --- mm/memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux-2.6.git/mm/memory.c =================================================================== --- linux-2.6.git.orig/mm/memory.c +++ linux-2.6.git/mm/memory.c @@ -3422,7 +3422,7 @@ static int __do_fault(struct mm_struct * if (flags & FAULT_FLAG_WRITE) entry = maybe_mkwrite(pte_mkdirty(entry), vma); else if (pte_file(orig_pte) && pte_file_soft_dirty(orig_pte)) - pte_mksoft_dirty(entry); + entry = pte_mksoft_dirty(entry); if (anon) { inc_mm_counter_fast(mm, MM_ANONPAGES); page_add_new_anon_rmap(page, vma, address);