tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: a053fd3ca5d1b927a8655f239c84b0d790218fda commit: 3317f7faabc24b500c26d02615ac75ca2786e272 [4283/4584] mm: swap: free_swap_and_cache_nr() as batched free_swap_and_cache() config: parisc-allnoconfig (https://download.01.org/0day-ci/archive/20240409/202404091516.9h8IdaMM-lkp@xxxxxxxxx/config) compiler: hppa-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240409/202404091516.9h8IdaMM-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/202404091516.9h8IdaMM-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from arch/parisc/include/asm/uaccess.h:16, from include/linux/uaccess.h:11, from include/linux/sched/task.h:13, from include/linux/sched/signal.h:9, from include/linux/rcuwait.h:6, from include/linux/percpu-rwsem.h:7, from include/linux/fs.h:33, from include/linux/dax.h:5, from mm/filemap.c:15: mm/internal.h: In function 'pte_next_swp_offset': >> mm/internal.h:206:70: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses] 206 | swp_offset(entry) + 1)); | ~~~~~~~~~~~~~~~~~~^~~ arch/parisc/include/asm/pgtable.h:432:53: note: in definition of macro '__swp_entry_to_pte' 432 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) | ^ mm/internal.h:205:40: note: in expansion of macro '__swp_entry' 205 | pte_t new = __swp_entry_to_pte(__swp_entry(swp_type(entry), | ^~~~~~~~~~~ >> mm/internal.h:206:70: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] 206 | swp_offset(entry) + 1)); | ~~~~~~~~~~~~~~~~~~^~~ arch/parisc/include/asm/pgtable.h:432:53: note: in definition of macro '__swp_entry_to_pte' 432 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) | ^ mm/internal.h:205:40: note: in expansion of macro '__swp_entry' 205 | pte_t new = __swp_entry_to_pte(__swp_entry(swp_type(entry), | ^~~~~~~~~~~ -- In file included from include/linux/pgtable.h:6, from include/linux/mm.h:30, from mm/slub.c:13: mm/internal.h: In function 'pte_next_swp_offset': >> mm/internal.h:206:70: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses] 206 | swp_offset(entry) + 1)); | ~~~~~~~~~~~~~~~~~~^~~ arch/parisc/include/asm/pgtable.h:432:53: note: in definition of macro '__swp_entry_to_pte' 432 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) | ^ mm/internal.h:205:40: note: in expansion of macro '__swp_entry' 205 | pte_t new = __swp_entry_to_pte(__swp_entry(swp_type(entry), | ^~~~~~~~~~~ >> mm/internal.h:206:70: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] 206 | swp_offset(entry) + 1)); | ~~~~~~~~~~~~~~~~~~^~~ arch/parisc/include/asm/pgtable.h:432:53: note: in definition of macro '__swp_entry_to_pte' 432 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) | ^ mm/internal.h:205:40: note: in expansion of macro '__swp_entry' 205 | pte_t new = __swp_entry_to_pte(__swp_entry(swp_type(entry), | ^~~~~~~~~~~ mm/slub.c: In function 'slab_post_alloc_hook': mm/slub.c:3831:29: warning: variable 'obj_exts' set but not used [-Wunused-but-set-variable] 3831 | struct slabobj_ext *obj_exts; | ^~~~~~~~ vim +206 mm/internal.h 194 195 /** 196 * pte_next_swp_offset - Increment the swap entry offset field of a swap pte. 197 * @pte: The initial pte state; is_swap_pte(pte) must be true. 198 * 199 * Increments the swap offset, while maintaining all other fields, including 200 * swap type, and any swp pte bits. The resulting pte is returned. 201 */ 202 static inline pte_t pte_next_swp_offset(pte_t pte) 203 { 204 swp_entry_t entry = pte_to_swp_entry(pte); 205 pte_t new = __swp_entry_to_pte(__swp_entry(swp_type(entry), > 206 swp_offset(entry) + 1)); 207 208 if (pte_swp_soft_dirty(pte)) 209 new = pte_swp_mksoft_dirty(new); 210 if (pte_swp_exclusive(pte)) 211 new = pte_swp_mkexclusive(new); 212 if (pte_swp_uffd_wp(pte)) 213 new = pte_swp_mkuffd_wp(new); 214 215 return new; 216 } 217 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki