Re: [PATCH 2/2] mm: introduce vma_set_file function v4

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

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Hi "Christian,

I love your patch! Yet something to improve:

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on staging/staging-testing linus/master hnaz-linux-mm/master v5.9 next-20201012]
[cannot apply to mmotm/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Christian-K-nig/mm-mmap-fix-fput-in-error-path-v2/20201012-165336
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/4ff869f185acba6d9c37ab6abdb0d9f93f31d15b
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Christian-K-nig/mm-mmap-fix-fput-in-error-path-v2/20201012-165336
        git checkout 4ff869f185acba6d9c37ab6abdb0d9f93f31d15b
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh 

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

All errors (new ones prefixed by >>):

   sh4-linux-ld: drivers/dma-buf/dma-buf.o: in function `dma_buf_mmap':
>> (.text+0x8c4): undefined reference to `vma_set_file'

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

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