Re: [PATCH v1 03/11] mm: thp: add helpers related to thp/pmd migration

[kbuild test robot]

Hi Naoya,

[auto build test ERROR on v4.5-rc6]
[also build test ERROR on next-20160303]
[cannot apply to tip/x86/core asm-generic/master]
[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/Naoya-Horiguchi/mm-page-migration-enhancement-for-thp/20160303-154610
config: arm-at91_dt_defconfig (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=arm 

All errors (new ones prefixed by >>):

   In file included from mm/vmscan.c:54:0:
   include/linux/swapops.h: In function 'swp_entry_to_pmd':
>> include/linux/swapops.h:217:2: error: empty scalar initializer
     pmd_t pmd = {};
     ^
   include/linux/swapops.h:217:2: error: (near initialization for 'pmd')

vim +217 include/linux/swapops.h

   211	{
   212		return swp_entry(0, 0);
   213	}
   214	
   215	static inline pmd_t swp_entry_to_pmd(swp_entry_t entry)
   216	{
 > 217		pmd_t pmd = {};
   218	
   219		return pmd;
   220	}

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

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