Re: [PATCH] cpuset: use static key better and convert to new API

[kbuild test robot]

Hi Vlastimil,

[auto build test ERROR on v4.6-rc2]
[also build test ERROR on next-20160406]
[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/Vlastimil-Babka/cpuset-use-static-key-better-and-convert-to-new-API/20160406-164542
config: x86_64-randconfig-x011-201614 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   mm/page_alloc.c: In function 'get_page_from_freelist':
>> mm/page_alloc.c:2653:5: error: implicit declaration of function '__cpuset_zone_allowed' [-Werror=implicit-function-declaration]
       !__cpuset_zone_allowed(zone, gfp_mask))
        ^
   cc1: some warnings being treated as errors

vim +/__cpuset_zone_allowed +2653 mm/page_alloc.c

  2647		for_each_zone_zonelist_nodemask(zone, z, zonelist, ac->high_zoneidx,
  2648									ac->nodemask) {
  2649			unsigned long mark;
  2650	
  2651			if (cpusets_enabled() &&
  2652				(alloc_flags & ALLOC_CPUSET) &&
> 2653				!__cpuset_zone_allowed(zone, gfp_mask))
  2654					continue;
  2655			/*
  2656			 * Distribute pages in proportion to the individual

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