Hi Junjie, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on brauner-vfs/vfs.all linus/master v6.13-rc2 next-20241211] [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/Junjie-Fu/mempolicy-h-Remove-unnecessary-header-file-inclusions-with-no-test-failure/20241211-120550 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/tencent_C12D22B8989E0314FDE7073D6446186E3C09%40qq.com patch subject: [PATCH RESEND] mempolicy.h: Remove unnecessary header file inclusions with no test failure config: sparc64-randconfig-002-20241212 (https://download.01.org/0day-ci/archive/20241212/202412120820.hwzVRrjd-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241212/202412120820.hwzVRrjd-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/202412120820.hwzVRrjd-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): mm/z3fold.c: In function 'free_z3fold_page': >> mm/z3fold.c:353:17: error: implicit declaration of function 'lock_page'; did you mean 'alloc_page'? [-Wimplicit-function-declaration] 353 | lock_page(page); | ^~~~~~~~~ | alloc_page >> mm/z3fold.c:355:17: error: implicit declaration of function 'unlock_page'; did you mean 'alloc_page'? [-Wimplicit-function-declaration] 355 | unlock_page(page); | ^~~~~~~~~~~ | alloc_page In file included from arch/sparc/include/asm/bug.h:25, from include/linux/bug.h:5, from include/linux/thread_info.h:13, from arch/sparc/include/asm/current.h:15, from include/linux/sched.h:12, from mm/z3fold.c:27: mm/z3fold.c: In function 'z3fold_alloc': >> mm/z3fold.c:1056:26: error: implicit declaration of function 'trylock_page'; did you mean 'try_get_page'? [-Wimplicit-function-declaration] 1056 | WARN_ON(!trylock_page(page)); | ^~~~~~~~~~~~ include/asm-generic/bug.h:123:32: note: in definition of macro 'WARN_ON' 123 | int __ret_warn_on = !!(condition); \ | ^~~~~~~~~ vim +353 mm/z3fold.c 9a001fc19cccde Vitaly Wool 2016-05-20 348 9a001fc19cccde Vitaly Wool 2016-05-20 349 /* Resets the struct page fields and frees the page */ 1f862989b04ade Vitaly Wool 2019-05-13 350 static void free_z3fold_page(struct page *page, bool headless) 9a001fc19cccde Vitaly Wool 2016-05-20 351 { 1f862989b04ade Vitaly Wool 2019-05-13 352 if (!headless) { 1f862989b04ade Vitaly Wool 2019-05-13 @353 lock_page(page); 1f862989b04ade Vitaly Wool 2019-05-13 354 __ClearPageMovable(page); 1f862989b04ade Vitaly Wool 2019-05-13 @355 unlock_page(page); 1f862989b04ade Vitaly Wool 2019-05-13 356 } 5a27aa8220290b Vitaly Wool 2017-02-24 357 __free_page(page); 5a27aa8220290b Vitaly Wool 2017-02-24 358 } 5a27aa8220290b Vitaly Wool 2017-02-24 359 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
