tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6099776f9f268e61fe5ecd721f994a8cfce5306f commit: 54a611b605901c7d5d05b6b8f5d04a6ceb0962aa Maple Tree: add new data structure date: 12 months ago config: um-allnoconfig (https://download.01.org/0day-ci/archive/20230909/202309091955.zGrdk70J-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/20230909/202309091955.zGrdk70J-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/202309091955.zGrdk70J-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): lib/maple_tree.c:330:20: warning: unused function 'mte_set_full' [-Wunused-function] 330 | static inline void mte_set_full(const struct maple_enode *node) | ^ lib/maple_tree.c:335:20: warning: unused function 'mte_clear_full' [-Wunused-function] 335 | static inline void mte_clear_full(const struct maple_enode *node) | ^ lib/maple_tree.c:3958:19: warning: stack frame size (1032) exceeds limit (1024) in 'mas_wr_spanning_store' [-Wframe-larger-than] 3958 | static inline int mas_wr_spanning_store(struct ma_wr_state *wr_mas) | ^ >> lib/maple_tree.c:4327:20: warning: stack frame size (1112) exceeds limit (1024) in 'mas_wr_modify' [-Wframe-larger-than] 4327 | static inline void mas_wr_modify(struct ma_wr_state *wr_mas) | ^ 4 warnings generated. vim +/mas_wr_modify +4327 lib/maple_tree.c 4326 > 4327 static inline void mas_wr_modify(struct ma_wr_state *wr_mas) 4328 { 4329 unsigned char node_slots; 4330 unsigned char node_size; 4331 struct ma_state *mas = wr_mas->mas; 4332 4333 /* Direct replacement */ 4334 if (wr_mas->r_min == mas->index && wr_mas->r_max == mas->last) { 4335 rcu_assign_pointer(wr_mas->slots[mas->offset], wr_mas->entry); 4336 if (!!wr_mas->entry ^ !!wr_mas->content) 4337 mas_update_gap(mas); 4338 return; 4339 } 4340 4341 /* Attempt to append */ 4342 node_slots = mt_slots[wr_mas->type]; 4343 node_size = wr_mas->node_end - wr_mas->offset_end + mas->offset + 2; 4344 if (mas->max == ULONG_MAX) 4345 node_size++; 4346 4347 /* slot and node store will not fit, go to the slow path */ 4348 if (unlikely(node_size >= node_slots)) 4349 goto slow_path; 4350 4351 if (wr_mas->entry && (wr_mas->node_end < node_slots - 1) && 4352 (mas->offset == wr_mas->node_end) && mas_wr_append(wr_mas)) { 4353 if (!wr_mas->content || !wr_mas->entry) 4354 mas_update_gap(mas); 4355 return; 4356 } 4357 4358 if ((wr_mas->offset_end - mas->offset <= 1) && mas_wr_slot_store(wr_mas)) 4359 return; 4360 else if (mas_wr_node_store(wr_mas)) 4361 return; 4362 4363 if (mas_is_err(mas)) 4364 return; 4365 4366 slow_path: 4367 mas_wr_bnode(wr_mas); 4368 } 4369 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
