Hi Vivek, kernel test robot noticed the following build errors: [auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on drm-tip/drm-tip linus/master v6.5-rc6 next-20230817] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Vivek-Kasireddy/udmabuf-Use-vmf_insert_pfn-and-VM_PFNMAP-for-handling-mmap/20230817-150922 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20230817064623.3424348-2-vivek.kasireddy%40intel.com patch subject: [PATCH v3 1/2] udmabuf: Use vmf_insert_pfn and VM_PFNMAP for handling mmap config: arm-randconfig-r035-20230818 (https://download.01.org/0day-ci/archive/20230818/202308181405.UwIsWuMi-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230818/202308181405.UwIsWuMi-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308181405.UwIsWuMi-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: vmf_insert_pfn >>> referenced by udmabuf.c:44 (drivers/dma-buf/udmabuf.c:44) >>> drivers/dma-buf/udmabuf.o:(udmabuf_vm_fault) in archive vmlinux.a -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
