Hi Mike, kernel test robot noticed the following build warnings: [auto build test WARNING on next-20230825] [cannot apply to akpm-mm/mm-everything v6.5-rc7 v6.5-rc6 v6.5-rc5 linus/master v6.5-rc7] [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-clear-flags-in-tail-pages-that-will-be-freed-individually/20230826-030805 base: next-20230825 patch link: https://lore.kernel.org/r/20230825190436.55045-9-mike.kravetz%40oracle.com patch subject: [PATCH 08/12] hugetlb: batch freeing of vmemmap pages config: s390-randconfig-001-20230826 (https://download.01.org/0day-ci/archive/20230826/202308261129.hdlNvI3X-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230826/202308261129.hdlNvI3X-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308261129.hdlNvI3X-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> mm/hugetlb_vmemmap.c:601:6: warning: no previous prototype for function 'hugetlb_vmemmap_optimize_bulk' [-Wmissing-prototypes] 601 | void hugetlb_vmemmap_optimize_bulk(const struct hstate *h, struct page *head, | ^ mm/hugetlb_vmemmap.c:601:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 601 | void hugetlb_vmemmap_optimize_bulk(const struct hstate *h, struct page *head, | ^ | static 1 warning generated. vim +/hugetlb_vmemmap_optimize_bulk +601 mm/hugetlb_vmemmap.c 600 > 601 void hugetlb_vmemmap_optimize_bulk(const struct hstate *h, struct page *head, 602 struct list_head *bulk_pages) 603 { 604 __hugetlb_vmemmap_optimize(h, head, bulk_pages); 605 } 606 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
