From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f50.google.com (mail-pa0-f50.google.com [209.85.220.50]) by kanga.kvack.org (Postfix) with ESMTP id 12E9F6B028B for ; Tue, 21 Jul 2015 04:35:26 -0400 (EDT) Received: by padck2 with SMTP id ck2so115191824pad.0 for ; Tue, 21 Jul 2015 01:35:25 -0700 (PDT) Received: from tyo201.gate.nec.co.jp (TYO201.gate.nec.co.jp. [210.143.35.51]) by mx.google.com with ESMTPS id ff5si41979998pac.199.2015.07.21.01.35.24 for (version=TLS1 cipher=RC4-SHA bits=128/128); Tue, 21 Jul 2015 01:35:25 -0700 (PDT) From: Naoya Horiguchi Subject: Re: [PATCH v4 1/5] pagemap: check permissions and capabilities at open time Date: Tue, 21 Jul 2015 08:06:27 +0000 Message-ID: <20150721080626.GB4490@hori1.linux.bs1.fc.nec.co.jp> References: <20150714152516.29844.69929.stgit@buzz> <20150714153735.29844.38428.stgit@buzz> In-Reply-To: <20150714153735.29844.38428.stgit@buzz> Content-Language: ja-JP Content-Type: text/plain; charset="iso-2022-jp" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Konstantin Khlebnikov Cc: "linux-mm@kvack.org" , Andrew Morton , "Kirill A. Shutemov" , Mark Williamson , "linux-kernel@vger.kernel.org" , "linux-api@vger.kernel.org" On Tue, Jul 14, 2015 at 06:37:35PM +0300, Konstantin Khlebnikov wrote: > This patch moves permission checks from pagemap_read() into pagemap_open(= ). >=20 > Pointer to mm is saved in file->private_data. This reference pins only > mm_struct itself. /proc/*/mem, maps, smaps already work in the same way. >=20 > Signed-off-by: Konstantin Khlebnikov > Link: http://lkml.kernel.org/r/CA+55aFyKpWrt_Ajzh1rzp_GcwZ4=3D6Y=3DkOv8hB= z172CFJp6L8Tg@mail.gmail.com Reviewed-by: Naoya Horiguchi = -- 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