tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: f43b3aae94511d62174c3b29239da0dd22d0eeb3 commit: d4358ee0a075e232114dfec0cd162860cfa2771b [313/322] mm: add per-order mTHP anon_alloc and anon_alloc_fallback counters config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20240406/202404061754.n8jmZ6s3-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 546dc2245ffc4cccd0b05b58b7a5955e355a3b27) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240406/202404061754.n8jmZ6s3-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/202404061754.n8jmZ6s3-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): In file included from arch/powerpc/kernel/asm-offsets.c:19: In file included from include/linux/mman.h:5: In file included from include/linux/mm.h:1115: >> include/linux/huge_mm.h:274:22: warning: variable length array used [-Wvla] 274 | unsigned long stats[PMD_ORDER + 1][__MTHP_STAT_COUNT]; | ^~~~~~~~~~~~~ include/linux/pgtable.h:8:20: note: expanded from macro 'PMD_ORDER' 8 | #define PMD_ORDER (PMD_SHIFT - PAGE_SHIFT) | ^ arch/powerpc/include/asm/book3s/64/pgtable.h:207:33: note: expanded from macro 'PMD_SHIFT' 207 | #define PMD_SHIFT (PAGE_SHIFT + PTE_INDEX_SIZE) | ^ arch/powerpc/include/asm/book3s/64/pgtable.h:156:25: note: expanded from macro 'PTE_INDEX_SIZE' 156 | #define PTE_INDEX_SIZE __pte_index_size | ^ In file included from arch/powerpc/kernel/asm-offsets.c:19: In file included from include/linux/mman.h:5: In file included from include/linux/mm.h:1115: >> include/linux/huge_mm.h:274:16: error: fields must have a constant size: 'variable length array in structure' extension will never be supported 274 | unsigned long stats[PMD_ORDER + 1][__MTHP_STAT_COUNT]; | ^ >> include/linux/huge_mm.h:283:2: error: indirection requires pointer operand ('void' invalid) 283 | this_cpu_inc(mthp_stats.stats[order][item]); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:501:28: note: expanded from macro 'this_cpu_inc' 501 | #define this_cpu_inc(pcp) this_cpu_add(pcp, 1) | ^~~~~~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:491:33: note: expanded from macro 'this_cpu_add' 491 | #define this_cpu_add(pcp, val) __pcpu_size_call(this_cpu_add_, pcp, val) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:365:11: note: expanded from macro '__pcpu_size_call' 365 | case 1: stem##1(variable, __VA_ARGS__);break; \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/asm-generic/percpu.h:401:34: note: expanded from macro 'this_cpu_add_1' 401 | #define this_cpu_add_1(pcp, val) this_cpu_generic_to_op(pcp, val, +=) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/percpu.h:156:2: note: expanded from macro 'this_cpu_generic_to_op' 156 | raw_cpu_generic_to_op(pcp, val, op); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/percpu.h:72:2: note: expanded from macro 'raw_cpu_generic_to_op' 72 | *raw_cpu_ptr(&(pcp)) op val; \ | ^~~~~~~~~~~~~~~~~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:19: In file included from include/linux/mman.h:5: In file included from include/linux/mm.h:1115: >> include/linux/huge_mm.h:283:2: error: indirection requires pointer operand ('void' invalid) 283 | this_cpu_inc(mthp_stats.stats[order][item]); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:501:28: note: expanded from macro 'this_cpu_inc' 501 | #define this_cpu_inc(pcp) this_cpu_add(pcp, 1) | ^~~~~~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:491:33: note: expanded from macro 'this_cpu_add' 491 | #define this_cpu_add(pcp, val) __pcpu_size_call(this_cpu_add_, pcp, val) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:366:11: note: expanded from macro '__pcpu_size_call' 366 | case 2: stem##2(variable, __VA_ARGS__);break; \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/asm-generic/percpu.h:404:34: note: expanded from macro 'this_cpu_add_2' 404 | #define this_cpu_add_2(pcp, val) this_cpu_generic_to_op(pcp, val, +=) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/percpu.h:156:2: note: expanded from macro 'this_cpu_generic_to_op' 156 | raw_cpu_generic_to_op(pcp, val, op); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/percpu.h:72:2: note: expanded from macro 'raw_cpu_generic_to_op' 72 | *raw_cpu_ptr(&(pcp)) op val; \ | ^~~~~~~~~~~~~~~~~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:19: In file included from include/linux/mman.h:5: In file included from include/linux/mm.h:1115: >> include/linux/huge_mm.h:283:2: error: indirection requires pointer operand ('void' invalid) 283 | this_cpu_inc(mthp_stats.stats[order][item]); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:501:28: note: expanded from macro 'this_cpu_inc' 501 | #define this_cpu_inc(pcp) this_cpu_add(pcp, 1) | ^~~~~~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:491:33: note: expanded from macro 'this_cpu_add' 491 | #define this_cpu_add(pcp, val) __pcpu_size_call(this_cpu_add_, pcp, val) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:367:11: note: expanded from macro '__pcpu_size_call' 367 | case 4: stem##4(variable, __VA_ARGS__);break; \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/asm-generic/percpu.h:407:34: note: expanded from macro 'this_cpu_add_4' 407 | #define this_cpu_add_4(pcp, val) this_cpu_generic_to_op(pcp, val, +=) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/percpu.h:156:2: note: expanded from macro 'this_cpu_generic_to_op' 156 | raw_cpu_generic_to_op(pcp, val, op); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/percpu.h:72:2: note: expanded from macro 'raw_cpu_generic_to_op' 72 | *raw_cpu_ptr(&(pcp)) op val; \ | ^~~~~~~~~~~~~~~~~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:19: In file included from include/linux/mman.h:5: In file included from include/linux/mm.h:1115: >> include/linux/huge_mm.h:283:2: error: indirection requires pointer operand ('void' invalid) 283 | this_cpu_inc(mthp_stats.stats[order][item]); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:501:28: note: expanded from macro 'this_cpu_inc' 501 | #define this_cpu_inc(pcp) this_cpu_add(pcp, 1) | ^~~~~~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:491:33: note: expanded from macro 'this_cpu_add' 491 | #define this_cpu_add(pcp, val) __pcpu_size_call(this_cpu_add_, pcp, val) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:368:11: note: expanded from macro '__pcpu_size_call' 368 | case 8: stem##8(variable, __VA_ARGS__);break; \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/asm-generic/percpu.h:410:34: note: expanded from macro 'this_cpu_add_8' 410 | #define this_cpu_add_8(pcp, val) this_cpu_generic_to_op(pcp, val, +=) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/percpu.h:156:2: note: expanded from macro 'this_cpu_generic_to_op' 156 | raw_cpu_generic_to_op(pcp, val, op); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/percpu.h:72:2: note: expanded from macro 'raw_cpu_generic_to_op' 72 | *raw_cpu_ptr(&(pcp)) op val; \ | ^~~~~~~~~~~~~~~~~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:19: In file included from include/linux/mman.h:5: In file included from include/linux/mm.h:2237: include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 500 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 501 | item]; | ~~~~ include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 507 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 508 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 519 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 520 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 528 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 529 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:19: include/linux/mman.h:157:9: warning: division by zero is undefined [-Wdivision-by-zero] 157 | _calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED ) | | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mman.h:136:21: note: expanded from macro '_calc_vm_trans' 136 | : ((x) & (bit1)) / ((bit1) / (bit2)))) | ^ ~~~~~~~~~~~~~~~~~ include/linux/mman.h:158:9: warning: division by zero is undefined [-Wdivision-by-zero] 158 | _calc_vm_trans(flags, MAP_SYNC, VM_SYNC ) | | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mman.h:136:21: note: expanded from macro '_calc_vm_trans' 136 | : ((x) & (bit1)) / ((bit1) / (bit2)))) | ^ ~~~~~~~~~~~~~~~~~ include/linux/mman.h:159:9: warning: division by zero is undefined [-Wdivision-by-zero] 159 | _calc_vm_trans(flags, MAP_STACK, VM_NOHUGEPAGE) | | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mman.h:136:21: note: expanded from macro '_calc_vm_trans' 136 | : ((x) & (bit1)) / ((bit1) / (bit2)))) | ^ ~~~~~~~~~~~~~~~~~ 9 warnings and 5 errors generated. make[3]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1197: prepare0] Error 2 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:240: __sub-make] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:240: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +274 include/linux/huge_mm.h 272 273 struct mthp_stat { > 274 unsigned long stats[PMD_ORDER + 1][__MTHP_STAT_COUNT]; 275 }; 276 277 DECLARE_PER_CPU(struct mthp_stat, mthp_stats); 278 279 static inline void count_mthp_stat(int order, enum mthp_stat_item item) 280 { 281 if (unlikely(order > PMD_ORDER)) 282 return; > 283 this_cpu_inc(mthp_stats.stats[order][item]); 284 } 285 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
