tree: https://github.com/ammarfaizi2/linux-block dhowells/linux-fs/iov-extract head: df5ce60e95e5cbcfd21b2832788e801c11913750 commit: df5ce60e95e5cbcfd21b2832788e801c11913750 [4/4] netfs: Add a function to extract an iterator into a scatterlist config: x86_64-rhel-8.3-kvm compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://github.com/ammarfaizi2/linux-block/commit/df5ce60e95e5cbcfd21b2832788e801c11913750 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block dhowells/linux-fs/iov-extract git checkout df5ce60e95e5cbcfd21b2832788e801c11913750 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "is_vmalloc_or_module_addr" [fs/netfs/netfs.ko] undefined! -- 0-DAY CI Kernel Test Service https://01.org/lkp