From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qg0-f44.google.com (mail-qg0-f44.google.com [209.85.192.44]) by kanga.kvack.org (Postfix) with ESMTP id 9E8206B0031 for ; Tue, 1 Jul 2014 13:42:38 -0400 (EDT) Received: by mail-qg0-f44.google.com with SMTP id j107so3707558qga.17 for ; Tue, 01 Jul 2014 10:42:38 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id l5si4500649qaz.38.2014.07.01.10.42.37 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 01 Jul 2014 10:42:37 -0700 (PDT) Message-ID: <53B2F303.1010306@redhat.com> Date: Tue, 01 Jul 2014 13:42:27 -0400 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH] rmap: fix pgoff calculation to handle hugepage correctly References: <1404225982-22739-1-git-send-email-n-horiguchi@ah.jp.nec.com> In-Reply-To: <1404225982-22739-1-git-send-email-n-horiguchi@ah.jp.nec.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Naoya Horiguchi , Andrew Morton Cc: Joonsoo Kim , Hugh Dickins , Hillf Danton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Naoya Horiguchi -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 07/01/2014 10:46 AM, Naoya Horiguchi wrote: > I triggered VM_BUG_ON() in vma_address() when I try to migrate an > anonymous hugepage with mbind() in the kernel v3.16-rc3. This is > because pgoff's calculation in rmap_walk_anon() fails to consider > compound_order() only to have an incorrect value. So this patch > fixes it. > > Signed-off-by: Naoya Horiguchi Acked-by: Rik van Riel - -- All rights reversed -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJTsvMDAAoJEM553pKExN6DFIkH/1JOOZq3VtVLMr4f5I7QsqkE /g3QU5JKbCdQZKeV+X1jFbZOyU7/B5gwSTVJMBIlAfFjm/tu21OgUeKAafvgfQHl EVzisjPg1kN5jgtRrO61u4Bnt0rkLWSobBhDpwxslU2nWHNjVlyTBV5Hu2WcpWPB PHoo+qt1/W185tVe6jeb6VpSZwGDXHWj7AQXGCBO3llCIythpbi/+u1IeoL3jW7V UG2/xWZiRVBAoKoD4myvJvY6ny8o+WLpZh505WWJKM6WuTvSPhyOt+K1tWV3Sttq km1aVgnSBYiH6m7if1PwLFtFTlvwhiDI2VZwW+GwhXWak6dh6lS+TssxOw1M9U4= =zYJe -----END PGP SIGNATURE----- -- 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