tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 13706c950ff941dc015e16f76812077f9861e378 commit: 549b1f40b56511536196f7522ffa4d7b3da42337 [1359/13930] mm/sharepool: Implement mg_sp_make_share_u2k() config: arm64-randconfig-001-20240913 (https://download.01.org/0day-ci/archive/20240913/202409131346.fyTGKf2l-lkp@i...) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240913/202409131346.fyTGKf2l-lkp@i...)

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@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202409131346.fyTGKf2l-lkp@intel.com/

All errors (new ones prefixed by >>):

...

mm/share_pool.c:1226:14: error: call to undeclared function 'huge_ptep_get'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]

pte_t pte = huge_ptep_get(ptep); ^

...

mm/share_pool.c:1226:8: error: initializing 'pte_t' with an expression of incompatible type 'int'

pte_t pte = huge_ptep_get(ptep); ^ ~~~~~~~~~~~~~~~~~~~ 2 errors generated.

vim +/huge_ptep_get +1226 mm/share_pool.c

1221 1222 static int sp_hugetlb_entry(pte_t *ptep, unsigned long hmask, 1223 unsigned long addr, unsigned long next, 1224 struct mm_walk *walk) 1225 {

1226 pte_t pte = huge_ptep_get(ptep);

1227 struct page *page = pte_page(pte); 1228 struct sp_walk_data *sp_walk_data; 1229 1230 if (unlikely(!pte_present(pte))) { 1231 pr_debug("the page of addr %lx unexpectedly not in RAM\n", (unsigned long)addr); 1232 return -EFAULT; 1233 } 1234 1235 sp_walk_data = walk->private; 1236 get_page(page); 1237 sp_walk_data->pages[sp_walk_data->page_count++] = page; 1238 return 0; 1239 } 1240