Hi Daniel, I love your patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-tip/drm-tip drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next linus/master v5.13-rc4 next-20210603] [cannot apply to 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/Daniel-Vetter/shmem-helpers-for-igt/20210603-230602 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: h8300-randconfig-r021-20210603 (attached as .config) compiler: h8300-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/5ce1f8f44bf2a1a96bb1a56ef34453d958142b45 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Daniel-Vetter/shmem-helpers-for-igt/20210603-230602 git checkout 5ce1f8f44bf2a1a96bb1a56ef34453d958142b45 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): h8300-linux-ld: section .init.text LMA [000000000059b760,00000000005de3d5] overlaps section .text LMA [0000000000000158,000000000171c08b] h8300-linux-ld: section .data VMA [0000000000400000,000000000059b75f] overlaps section .text VMA [0000000000000158,000000000171c08b] h8300-linux-ld: drivers/gpu/drm/drm_gem_shmem_helper.o: in function `.Llt5': >> drm_gem_shmem_helper.c:(.text+0x16f): undefined reference to `vmf_insert_pfn' Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for DRM_GEM_SHMEM_HELPER Depends on HAS_IOMEM && DRM && MMU Selected by - DRM_VKMS && HAS_IOMEM && DRM - DRM_UDL && HAS_IOMEM && DRM && USB && USB_ARCH_HAS_HCD - DRM_GM12U320 && HAS_IOMEM && DRM && USB --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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