From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f71.google.com (mail-wm0-f71.google.com [74.125.82.71]) by kanga.kvack.org (Postfix) with ESMTP id 2705A6B025E for ; Fri, 9 Dec 2016 07:33:34 -0500 (EST) Received: by mail-wm0-f71.google.com with SMTP id m203so6328088wma.2 for ; Fri, 09 Dec 2016 04:33:34 -0800 (PST) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id z133si17754109wmc.158.2016.12.09.04.33.32 for (version=TLS1 cipher=AES128-SHA bits=128/128); Fri, 09 Dec 2016 04:33:32 -0800 (PST) Subject: Re: [PATCH 1/2] mm, page_alloc: don't convert pfn to idx when merging References: <201612092050.PFZ1Jc0w%fengguang.wu@intel.com> From: Vlastimil Babka Message-ID: <114c06f4-f299-132f-7267-847857a45bcc@suse.cz> Date: Fri, 9 Dec 2016 13:33:26 +0100 MIME-Version: 1.0 In-Reply-To: <201612092050.PFZ1Jc0w%fengguang.wu@intel.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: kbuild test robot Cc: kbuild-all@01.org, Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Joonsoo Kim , Michal Hocko , Mel Gorman , "Kirill A. Shutemov" , Johannes Weiner On 12/09/2016 01:14 PM, kbuild test robot wrote: > Hi Vlastimil, > > [auto build test ERROR on mmotm/master] > [also build test ERROR on v4.9-rc8 next-20161208] > [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/Vlastimil-Babka/mm-page_alloc-don-t-convert-pfn-to-idx-when-merging/20161209-192634 > base: git://git.cmpxchg.org/linux-mmotm.git master > config: i386-randconfig-s1-201649 (attached as .config) > compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 > reproduce: > # save the attached .config to linux build tree > make ARCH=i386 > > All errors (new ones prefixed by >>): > > mm/page_isolation.c: In function 'unset_migratetype_isolate': >>> mm/page_isolation.c:106:16: error: implicit declaration of function '__find_buddy_index' [-Werror=implicit-function-declaration] > buddy_idx = __find_buddy_index(page_idx, order); > ^~~~~~~~~~~~~~~~~~ Looks like my .config was missing MEMORY_ISOLATION. Fix is trivial and will include in v2 eventually after feedback. -- 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