Hi, kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.15-rc7 next-20250523] [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/mhkelley58-gmail-com/mm-Export-vmf_insert_mixed_mkwrite/20250524-001707 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20250523161522.409504-4-mhklinux%40outlook.com patch subject: [PATCH v3 3/4] fbdev/deferred-io: Support contiguous kernel memory framebuffers config: arm-randconfig-001-20250524 (https://download.01.org/0day-ci/archive/20250524/202505241553.vsxofovx-...@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250524/202505241553.vsxofovx-...@intel.com/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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202505241553.vsxofovx-...@intel.com/ All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "vmf_insert_pfn" [drivers/video/fbdev/core/fb.ko] undefined! >> ERROR: modpost: "vmf_insert_mixed_mkwrite" [drivers/video/fbdev/core/fb.ko] >> undefined! -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki