From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754184AbeBLOHu (ORCPT ); Mon, 12 Feb 2018 09:07:50 -0500 Received: from mail-wm0-f42.google.com ([74.125.82.42]:54961 "EHLO mail-wm0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754154AbeBLOHt (ORCPT ); Mon, 12 Feb 2018 09:07:49 -0500 X-Google-Smtp-Source: AH8x224tSlAbOktQJtrXE+SQEveeD8Qbow17MNA4YCr5xnH/xAZ3EtyRzOb7IZ0sqIVMXKpt8rW1oQ== Date: Mon, 12 Feb 2018 17:07:46 +0300 From: "Kirill A. Shutemov" To: Konstantin Khlebnikov Cc: linux-mm@kvack.org, Andrew Morton , linux-kernel@vger.kernel.org, Michal Hocko , Linus Torvalds , "Kirill A. Shutemov" , Nicholas Piggin Subject: Re: [PATCH v3 1/2] mm/page_ref: use atomic_set_release in page_ref_unfreeze Message-ID: <20180212140746.3gojy7ybiq763pj3@node.shutemov.name> References: <4f64569f-b8ce-54f8-33d9-0e67216bb54c@yandex-team.ru> <151844393004.210639.4672319312617954272.stgit@buzz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <151844393004.210639.4672319312617954272.stgit@buzz> User-Agent: NeoMutt/20171215 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 12, 2018 at 04:58:50PM +0300, Konstantin Khlebnikov wrote: > page_ref_unfreeze() has exactly that semantic. No functional > changes: just minus one barrier and proper handling of PPro errata. > > Signed-off-by: Konstantin Khlebnikov Acked-by: Kirill A. Shutemov -- Kirill A. Shutemov