Re: [PATCH] numa: fix /proc/<pid>/numa_maps for THP

[kbuild test robot <lkp@intel.com>]

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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

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