tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7d549995d4e0d99b68e8a7793a0d23da6fc40fe8 commit: 7df666253f2610284f653bce0e2e50b4923c84aa kselftests: vm: add mremap tests date: 7 months ago config: openrisc-randconfig-s031-20210726 (attached as .config) compiler: or1k-linux-gcc (GCC) 10.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7df666253f2610284f653bce0e2e50b4923c84aa git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 7df666253f2610284f653bce0e2e50b4923c84aa # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=openrisc SHELL=/bin/bash -C tools/testing/selftests/vm install If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> mremap_test.c:7:10: fatal error: errno.h: No such file or directory 7 | #include | ^~~~~~~~~ compilation terminated. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org