Hi Vivek, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Vivek-Kasireddy/mm-gup-Introduce-pin_user_pages_fd-for-pinning-shmem-hugetlbfs-file-pages-v2/20231106-141954 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20231106061541.507116-2-vivek.kasireddy%40intel.com patch subject: [PATCH v2 1/3] mm/gup: Introduce pin_user_pages_fd() for pinning shmem/hugetlbfs file pages (v2) config: mips-maltaup_defconfig (https://download.01.org/0day-ci/archive/20231107/202311071223.ZeoRZg33-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231107/202311071223.ZeoRZg33-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/202311071223.ZeoRZg33-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> mm/gup.c:3419:9: error: call to undeclared function 'hugetlb_add_to_page_cache'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 3419 | err = hugetlb_add_to_page_cache(folio, file->f_mapping, idx); | ^ 1 error generated. vim +/hugetlb_add_to_page_cache +3419 mm/gup.c 3403 3404 static struct page *alloc_file_page(struct file *file, pgoff_t idx) 3405 { 3406 struct page *page = ERR_PTR(-ENOMEM); 3407 struct folio *folio; 3408 int err; 3409 3410 if (shmem_file(file)) 3411 return shmem_read_mapping_page(file->f_mapping, idx); 3412 3413 folio = alloc_hugetlb_folio_nodemask(hstate_file(file), 3414 NUMA_NO_NODE, 3415 NULL, 3416 GFP_USER); 3417 if (folio && folio_try_get(folio)) { 3418 page = &folio->page; > 3419 err = hugetlb_add_to_page_cache(folio, file->f_mapping, idx); 3420 if (err) { 3421 folio_put(folio); 3422 free_huge_folio(folio); 3423 page = ERR_PTR(err); 3424 } 3425 } 3426 3427 return page; 3428 } 3429 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
