[kbuild-all] [gfs2:for-next.mmap-fault 1/5] iov_iter.c:undefined reference to `fault_in_user_pages'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git for-next.mmap-fault head: caf380f33115de28cbd1d497390d346bedac8238 commit: 4423c35bf0a030f43fb8623a55418b727606c842 [1/5] iov_iter: Introduce fault_in_iov_iter helper config: riscv-nommu_k210_defconfig (attached as .config) compiler: riscv64-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://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git/commi... git remote add gfs2 https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git git fetch --no-tags gfs2 for-next.mmap-fault git checkout 4423c35bf0a030f43fb8623a55418b727606c842 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross O=build_dir ARCH=riscv SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): riscv64-linux-ld: lib/iov_iter.o: in function `.L152': --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org