Re: [PATCH 7/8] pipe: account to kmemcg

[kbuild test robot]

Hi,

[auto build test ERROR on next-20160520]
[cannot apply to tip/x86/core net-next/master v4.6-rc7 v4.6-rc6 v4.6-rc5 v4.6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Vladimir-Davydov/mm-remove-pointless-struct-in-struct-page-definition/20160523-182939
config: blackfin-TCM-BF537_defconfig (attached as .config)
compiler: bfin-uclinux-gcc (GCC) 4.6.3
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=blackfin 

Note: the linux-review/Vladimir-Davydov/mm-remove-pointless-struct-in-struct-page-definition/20160523-182939 HEAD 08a247942f52ec5444ba2a0d3c951358640eccf5 builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   fs/built-in.o: In function `anon_pipe_buf_steal':
>> fs/pipe.c:(.text+0x7304): undefined reference to `memcg_kmem_uncharge'

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

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