From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753170AbbAWNqB (ORCPT ); Fri, 23 Jan 2015 08:46:01 -0500 Received: from mx1.redhat.com ([209.132.183.28]:40611 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750786AbbAWNp6 (ORCPT ); Fri, 23 Jan 2015 08:45:58 -0500 Message-ID: <54C25083.7020603@redhat.com> Date: Fri, 23 Jan 2015 14:45:39 +0100 From: Jerome Marchand User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: Minchan Kim , Andrew Morton CC: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Nitin Gupta , Sergey Senozhatsky Subject: Re: [PATCH 2/2] zram: protect zram->stat race with init_lock References: <1421992707-32658-1-git-send-email-minchan@kernel.org> <1421992707-32658-2-git-send-email-minchan@kernel.org> In-Reply-To: <1421992707-32658-2-git-send-email-minchan@kernel.org> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="iBVRAcOvgeqUu7hXE6xEwavCrhj59baHX" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --iBVRAcOvgeqUu7hXE6xEwavCrhj59baHX Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 01/23/2015 06:58 AM, Minchan Kim wrote: > The zram->stat handling should be procted by init_lock. > Otherwise, user could see stale value from the stat. >=20 > Signed-off-by: Minchan Kim Acked-by: Jerome Marchand --iBVRAcOvgeqUu7hXE6xEwavCrhj59baHX Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAEBAgAGBQJUwlCDAAoJEHTzHJCtsuoCdIcIAJnBlfB3Mgo+kARUZ/tFtg+T 2MsDY32R0j59OXXLyo4B+fD0ge3WV0W8sX5JFjYmMAnI0bLBwo9RSWKyneLN22Ac 4zS2cVwSUCc2/3SB0v9RYWW/FLQ7XteXcqCXS7R99j0yjlQWZ+SJ311JsWnmMRk0 i1zFyMCNbM08/BFoekU7zUnuGZzaoTAr11rzm/7wbRS18ghJMMAr8kNBqwTLJ7te +xCVafwPIlN17IwrCq2rJ3pRmdIizO0bYt7rMujn6ytfVLtN3Rgjqc2HTPOQuJdD bXCeOLCaXh55zqC1VbmnHNkTY0TkDLXNo+eh88Lib5SQ2q7EwUAqVpxQQGAFazA= =N7xA -----END PGP SIGNATURE----- --iBVRAcOvgeqUu7hXE6xEwavCrhj59baHX--