Hi Mike, I love your patch! Yet something to improve: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.0-rc3 next-20220830] [cannot apply to powerpc/next] [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/Mike-Kravetz/hugetlb-simplify-hugetlb-handling-in-follow_page_mask/20220830-074147 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything config: powerpc-randconfig-r001-20220830 (https://download.01.org/0day-ci/archive/20220831/202208311341.ybNgt0Kz-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/f7dc41c1552ecd1e483a100c8b0921df62980f38 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Mike-Kravetz/hugetlb-simplify-hugetlb-handling-in-follow_page_mask/20220830-074147 git checkout f7dc41c1552ecd1e483a100c8b0921df62980f38 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/kernel/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from arch/powerpc/kernel/setup-common.c:35: >> include/linux/hugetlb.h:258:21: error: 'hugetlb_follow_page_mask' defined but not used [-Werror=unused-function] 258 | static struct page *hugetlb_follow_page_mask(struct vm_area_struct *vma, | ^~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/hugetlb_follow_page_mask +258 include/linux/hugetlb.h 257 > 258 static struct page *hugetlb_follow_page_mask(struct vm_area_struct *vma, 259 unsigned long address, unsigned int flags) 260 { 261 /* should never happen, but do not want to BUG */ 262 return ERR_PTR(-EINVAL); 263 } 264 -- 0-DAY CI Kernel Test Service https://01.org/lkp
