Hi David, 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 v6.11 next-20240918] [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/David-Wang/lib-alloc_tag-Add-accumulative-call-counter-for-memory-allocation-profiling/20240913-140040 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable patch link: https://lore.kernel.org/r/20240913055729.7208-1-00107082%40163.com patch subject: [PATCH v2] lib/alloc_tag: Add accumulative call counter for memory allocation profiling config: arm-randconfig-002-20240919 (https://download.01.org/0day-ci/archive/20240919/202409190453.pe1HrGL0-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 8663a75fa2f31299ab8d1d90288d9df92aadee88) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240919/202409190453.pe1HrGL0-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/202409190453.pe1HrGL0-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/hwtracing/coresight/coresight-tpiu.c:8: In file included from include/linux/acpi.h:13: In file included from include/linux/resource_ext.h:11: In file included from include/linux/slab.h:16: In file included from include/linux/gfp.h:7: In file included from include/linux/mmzone.h:22: In file included from include/linux/mm_types.h:21: In file included from include/linux/percpu_counter.h:14: In file included from include/linux/percpu.h:5: >> include/linux/alloc_tag.h:108:39: warning: missing field 'accu_calls' initializer [-Wmissing-field-initializers] 108 | struct alloc_tag_counters v = { 0, 0 }; | ^ In file included from drivers/hwtracing/coresight/coresight-tpiu.c:9: In file included from include/linux/amba/bus.h:19: In file included from include/linux/regulator/consumer.h:35: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:21: In file included from include/linux/mm.h:2228: include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 517 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ 2 warnings generated. vim +/accu_calls +108 include/linux/alloc_tag.h 22d407b164ff79 Suren Baghdasaryan 2024-03-21 105 22d407b164ff79 Suren Baghdasaryan 2024-03-21 106 static inline struct alloc_tag_counters alloc_tag_read(struct alloc_tag *tag) 22d407b164ff79 Suren Baghdasaryan 2024-03-21 107 { 22d407b164ff79 Suren Baghdasaryan 2024-03-21 @108 struct alloc_tag_counters v = { 0, 0 }; 38770cdc292e9e David Wang 2024-09-13 109 #ifdef CONFIG_MEM_ALLOC_PROFILING_ACCUMULATIVE_CALL_COUNTER 38770cdc292e9e David Wang 2024-09-13 110 v.accu_calls = 0; 38770cdc292e9e David Wang 2024-09-13 111 #endif 22d407b164ff79 Suren Baghdasaryan 2024-03-21 112 struct alloc_tag_counters *counter; 22d407b164ff79 Suren Baghdasaryan 2024-03-21 113 int cpu; 22d407b164ff79 Suren Baghdasaryan 2024-03-21 114 22d407b164ff79 Suren Baghdasaryan 2024-03-21 115 for_each_possible_cpu(cpu) { 22d407b164ff79 Suren Baghdasaryan 2024-03-21 116 counter = per_cpu_ptr(tag->counters, cpu); 22d407b164ff79 Suren Baghdasaryan 2024-03-21 117 v.bytes += counter->bytes; 22d407b164ff79 Suren Baghdasaryan 2024-03-21 118 v.calls += counter->calls; 38770cdc292e9e David Wang 2024-09-13 119 #ifdef CONFIG_MEM_ALLOC_PROFILING_ACCUMULATIVE_CALL_COUNTER 38770cdc292e9e David Wang 2024-09-13 120 v.accu_calls += counter->accu_calls; 38770cdc292e9e David Wang 2024-09-13 121 #endif 22d407b164ff79 Suren Baghdasaryan 2024-03-21 122 } 22d407b164ff79 Suren Baghdasaryan 2024-03-21 123 22d407b164ff79 Suren Baghdasaryan 2024-03-21 124 return v; 22d407b164ff79 Suren Baghdasaryan 2024-03-21 125 } 22d407b164ff79 Suren Baghdasaryan 2024-03-21 126 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki