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/20230825190436.55045-11-mike.kravetz%40oracle.com patch subject: [PATCH 10/12] hugetlb: batch PMD split for bulk vmemmap dedup config: x86_64-randconfig-r031-20230826 (https://download.01.org/0day-ci/archive/20230827/202308270248.eJT8UDG3-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230827/202308270248.eJT8UDG3-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/202308270248.eJT8UDG3-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> mm/hugetlb_vmemmap.c:40: warning: Function parameter or member 'flags' not described in 'vmemmap_remap_walk' vim +40 mm/hugetlb_vmemmap.c f41f2ed43ca525 Muchun Song 2021-06-30 19 998a2997885f73 Muchun Song 2022-06-28 20 /** 998a2997885f73 Muchun Song 2022-06-28 21 * struct vmemmap_remap_walk - walk vmemmap page table 998a2997885f73 Muchun Song 2022-06-28 22 * 998a2997885f73 Muchun Song 2022-06-28 23 * @remap_pte: called for each lowest-level entry (PTE). 998a2997885f73 Muchun Song 2022-06-28 24 * @nr_walked: the number of walked pte. 998a2997885f73 Muchun Song 2022-06-28 25 * @reuse_page: the page which is reused for the tail vmemmap pages. 998a2997885f73 Muchun Song 2022-06-28 26 * @reuse_addr: the virtual address of the @reuse_page page. 998a2997885f73 Muchun Song 2022-06-28 27 * @vmemmap_pages: the list head of the vmemmap pages that can be freed 998a2997885f73 Muchun Song 2022-06-28 28 * or is mapped from. 506a27a4627ab7 Joao Martins 2023-08-25 29 * @flags used to modify behavior in bulk operations 998a2997885f73 Muchun Song 2022-06-28 30 */ 998a2997885f73 Muchun Song 2022-06-28 31 struct vmemmap_remap_walk { 998a2997885f73 Muchun Song 2022-06-28 32 void (*remap_pte)(pte_t *pte, unsigned long addr, 998a2997885f73 Muchun Song 2022-06-28 33 struct vmemmap_remap_walk *walk); 998a2997885f73 Muchun Song 2022-06-28 34 unsigned long nr_walked; 998a2997885f73 Muchun Song 2022-06-28 35 struct page *reuse_page; 998a2997885f73 Muchun Song 2022-06-28 36 unsigned long reuse_addr; 998a2997885f73 Muchun Song 2022-06-28 37 struct list_head *vmemmap_pages; 506a27a4627ab7 Joao Martins 2023-08-25 38 #define VMEMMAP_REMAP_ONLY_SPLIT BIT(0) 506a27a4627ab7 Joao Martins 2023-08-25 39 unsigned long flags; 998a2997885f73 Muchun Song 2022-06-28 @40 }; 998a2997885f73 Muchun Song 2022-06-28 41 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
