From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lb0-f169.google.com (mail-lb0-f169.google.com [209.85.217.169]) by kanga.kvack.org (Postfix) with ESMTP id E2F256B00C1 for ; Mon, 24 Mar 2014 08:59:33 -0400 (EDT) Received: by mail-lb0-f169.google.com with SMTP id q8so3702766lbi.0 for ; Mon, 24 Mar 2014 05:59:33 -0700 (PDT) Received: from mail-la0-x232.google.com (mail-la0-x232.google.com [2a00:1450:4010:c03::232]) by mx.google.com with ESMTPS id q7si10191996lbw.8.2014.03.24.05.59.31 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 24 Mar 2014 05:59:32 -0700 (PDT) Received: by mail-la0-f50.google.com with SMTP id y1so3709912lam.9 for ; Mon, 24 Mar 2014 05:59:31 -0700 (PDT) Message-Id: <20140324125926.013008345@openvz.org> Date: Mon, 24 Mar 2014 16:28:40 +0400 From: Cyrill Gorcunov 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: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: hughd@google.com, xemul@parallels.com, akpm@linux-foundation.org, gorcunov@openvz.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); -- 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