Hi "Christian, I love your patch! Yet something to improve: [auto build test ERROR on hnaz-linux-mm/master] [also build test ERROR on drm-intel/for-linux-next drm-tip/drm-tip linus/master v5.9-rc5 next-20200915] [cannot apply to tegra-drm/drm/tegra/for-next drm-exynos/exynos-drm-next drm/drm-next] [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/drm-shmem-helpers-revert-Redirect-mmap-for-imported-dma-buf/20200914-222921 base: https://github.com/hnaz/linux-mm master 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 # 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@xxxxxxxxx> All errors (new ones prefixed by >>): sh4-linux-ld: drivers/dma-buf/dma-buf.o: in function `dma_buf_mmap': >> (.text+0x8dc): undefined reference to `vma_set_file' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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