linux-kernel - Re: [PATCH] numa: fix /proc/<pid>/numa

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Date:	Mon, 4 Apr 2016 23:51:44 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Gerald Schaefer <gerald.schaefer@...ibm.com>
Cc:	kbuild-all@...org, Andrew Morton <akpm@...ux-foundation.org>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	"Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
	Konstantin Khlebnikov <koct9i@...il.com>,
	Michal Hocko <mhocko@...e.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Jerome Marchand <jmarchan@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Dave Hansen <dave.hansen@...el.com>,
	Mel Gorman <mgorman@...e.de>,
	Dan Williams <dan.j.williams@...el.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Michael Holzheu <holzheu@...ux.vnet.ibm.com>,
	Gerald Schaefer <gerald.schaefer@...ibm.com>,
	"# v4 . 3+" <stable@...r.kernel.org>
Subject: Re: [PATCH] numa: fix /proc/<pid>/numa_maps for THP

Hi Gerald,

[auto build test ERROR on v4.6-rc2]
[also build test ERROR on next-20160404]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Gerald-Schaefer/numa-fix-proc-pid-numa_maps-for-THP/20160404-233625
config: xtensa-allyesconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=xtensa 

All errors (new ones prefixed by >>):

   mm/memory.c: In function 'vm_normal_page_pmd':
>> mm/memory.c:795:2: error: implicit declaration of function 'pmd_pfn' [-Werror=implicit-function-declaration]
     unsigned long pfn = pmd_pfn(pmd);
     ^
   cc1: some warnings being treated as errors

vim +/pmd_pfn +795 mm/memory.c

   789		return pfn_to_page(pfn);
   790	}
   791	
   792	struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr,
   793					pmd_t pmd)
   794	{
 > 795		unsigned long pfn = pmd_pfn(pmd);
   796	
   797		/*
   798		 * There is no pmd_special() but there may be special pmds, e.g.

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Download attachment ".config.gz" of type "application/octet-stream" (44886 bytes)