Re: [PATCH] thp: keep huge zero pinned until tlb flush

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

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Hi Kirill,

[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/Kirill-A-Shutemov/thp-keep-huge-zero-pinned-until-tlb-flush/20160405-075953
config: i386-tinyconfig (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   mm/swap.c: In function 'release_pages':
>> mm/swap.c:732:4: error: implicit declaration of function 'put_huge_zero_page' [-Werror=implicit-function-declaration]
       put_huge_zero_page();
       ^
   cc1: some warnings being treated as errors

vim +/put_huge_zero_page +732 mm/swap.c

   726			if (zone && ++lock_batch == SWAP_CLUSTER_MAX) {
   727				spin_unlock_irqrestore(&zone->lru_lock, flags);
   728				zone = NULL;
   729			}
   730	
   731			if (is_huge_zero_page(page)) {
 > 732				put_huge_zero_page();
   733				continue;
   734			}
   735	

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

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