Hi Sidhartha, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-nonmm-unstable] [also build test WARNING on linus/master v6.10-rc2 next-20240604] [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/Sidhartha-Kumar/maple_tree-introduce-store_type-enum/20240605-014633 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable patch link: https://lore.kernel.org/r/20240604174145.563900-5-sidhartha.kumar%40oracle.com patch subject: [PATCH 04/18] maple_tree: introduce mas_wr_store_type() config: openrisc-allnoconfig (https://download.01.org/0day-ci/archive/20240605/202406050440.xjLxhyu5-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240605/202406050440.xjLxhyu5-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/202406050440.xjLxhyu5-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> lib/maple_tree.c:4289: warning: Function parameter or struct member 'entry' not described in 'mas_prealloc_calc' vim +4289 lib/maple_tree.c 4280 4281 /** 4282 * mas_prealloc_calc() - Calculate number of nodes needed for a 4283 * given store oepration 4284 * @mas: The maple state. 4285 * 4286 * Return: Number of nodes required for preallocation. 4287 */ 4288 static inline int mas_prealloc_calc(struct ma_state *mas, void *entry) > 4289 { 4290 int ret = mas_mt_height(mas) * 3 + 1; 4291 4292 switch (mas->store_type) { 4293 case wr_invalid: 4294 WARN_ON_ONCE(1); 4295 break; 4296 case wr_new_root: 4297 ret = 1; 4298 break; 4299 case wr_store_root: 4300 if (likely((mas->last != 0) || (mas->index != 0))) 4301 ret = 1; 4302 else if (((unsigned long) (entry) & 3) == 2) 4303 ret = 1; 4304 else 4305 ret = 0; 4306 break; 4307 case wr_spanning_store: 4308 ret = mas_mt_height(mas) * 3 + 1; 4309 break; 4310 case wr_split_store: 4311 ret = mas_mt_height(mas) * 2 + 1; 4312 break; 4313 case wr_rebalance: 4314 ret = mas_mt_height(mas) * 2 - 1; 4315 break; 4316 case wr_node_store: 4317 case wr_bnode: 4318 ret = mt_in_rcu(mas->tree) ? 1 : 0; 4319 break; 4320 case wr_append: 4321 case wr_exact_fit: 4322 case wr_slot_store: 4323 ret = 0; 4324 } 4325 4326 return ret; 4327 } 4328 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki