From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D5A2C3279B for ; Mon, 2 Jul 2018 05:06:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CE12525565 for ; Mon, 2 Jul 2018 05:06:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CE12525565 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753154AbeGBFGz (ORCPT ); Mon, 2 Jul 2018 01:06:55 -0400 Received: from hqemgate15.nvidia.com ([216.228.121.64]:12247 "EHLO hqemgate15.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752948AbeGBFGv (ORCPT ); Mon, 2 Jul 2018 01:06:51 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com (using TLS: TLSv1, AES128-SHA) id ; Sun, 01 Jul 2018 22:06:16 -0700 Received: from HQMAIL107.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Sun, 01 Jul 2018 22:06:50 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Sun, 01 Jul 2018 22:06:50 -0700 Received: from [10.110.48.28] (10.110.48.28) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Mon, 2 Jul 2018 05:06:50 +0000 Subject: Re: [PATCH v2 5/6] mm: track gup pages with page->dma_pinned_* fields To: kbuild test robot , CC: , Matthew Wilcox , Michal Hocko , Christopher Lameter , Jason Gunthorpe , Dan Williams , Jan Kara , , LKML , linux-rdma , References: <20180702005654.20369-6-jhubbard@nvidia.com> <201807021030.EyzuzHW4%fengguang.wu@intel.com> X-Nvconfidentiality: public From: John Hubbard Message-ID: <4eb75815-9246-3185-d77f-7718e02bef7c@nvidia.com> Date: Sun, 1 Jul 2018 22:05:49 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <201807021030.EyzuzHW4%fengguang.wu@intel.com> X-Originating-IP: [10.110.48.28] X-ClientProxiedBy: HQMAIL103.nvidia.com (172.20.187.11) To HQMAIL107.nvidia.com (172.20.187.13) Content-Type: text/plain; charset="windows-1252" Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/01/2018 07:58 PM, kbuild test robot wrote: > Hi John, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on linus/master] > [also build test WARNING on v4.18-rc3] > [cannot apply to next-20180629] > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] > > url: https://github.com/0day-ci/linux/commits/john-hubbard-gmail-com/mm-fs-gup-don-t-unmap-or-drop-filesystem-buffers/20180702-090125 > config: x86_64-randconfig-x010-201826 (attached as .config) > compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 > reproduce: > # save the attached .config to linux build tree > make ARCH=x86_64 > > All warnings (new ones prefixed by >>): > > In file included from arch/x86/include/asm/atomic.h:5:0, > from include/linux/atomic.h:5, > from include/linux/page_counter.h:5, > from mm/memcontrol.c:34: > mm/memcontrol.c: In function 'unlock_page_lru': > mm/memcontrol.c:2087:32: error: 'page_tail' undeclared (first use in this function); did you mean 'page_pool'? > VM_BUG_ON_PAGE(PageDmaPinned(page_tail), page); > ^ Yes, that should have been: VM_BUG_ON_PAGE(PageDmaPinned(page), page); Fixed locally...maybe I'll post a v3 right now, as there were half a dozen ridiculous typos that snuck in. thanks, -- John Hubbard NVIDIA