Hi Hugh, I love your patch! Yet something to improve: [auto build test ERROR on hch-configfs/for-next] [also build test ERROR on linus/master v5.14-rc3 next-20210729] [cannot apply to hnaz-linux-mm/master] [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] url: https://github.com/0day-ci/linux/commits/Hugh-Dickins/tmpfs-HUGEPAGE-and-MEM_LOCK-fcntls-and-memfds/20210730-161413 base: git://git.infradead.org/users/hch/configfs.git for-next config: riscv-randconfig-r022-20210730 (attached as .config) compiler: riscv64-linux-gcc (GCC) 10.3.0 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://github.com/0day-ci/linux/commit/cad243cc46d563d62f2e0a20faa6571f7c6a692e git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Hugh-Dickins/tmpfs-HUGEPAGE-and-MEM_LOCK-fcntls-and-memfds/20210730-161413 git checkout cad243cc46d563d62f2e0a20faa6571f7c6a692e # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 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@xxxxxxxxx> All errors (new ones prefixed by >>): riscv64-linux-ld: mm/shmem.o: in function `.L14': >> shmem.c:(.text+0xec): undefined reference to `user_shm_lock' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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