Re: [RFC PATCH v2 1/3] meminfo_extra: introduce meminfo extra

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

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Hi Jaewon,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on staging/staging-testing]
[also build test ERROR on linux/master linus/master v5.6-rc7 next-20200323]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Jaewon-Kim/meminfo_extra-introduce-meminfo-extra/20200323-174445
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 6203da9803017701da5782998157d9826215059d
config: i386-tinyconfig (attached as .config)
compiler: gcc-7 (Debian 7.5.0-5) 7.5.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   ld: mm/page_alloc.o: in function `show_free_areas':
>> page_alloc.c:(.text+0x2555): undefined reference to `show_meminfo_extra'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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