Hi Oscar, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v6.0-rc3] [cannot apply to akpm-mm/mm-everything next-20220901] [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/Oscar-Salvador/page_owner-print-stacks-and-their-counter/20220901-124408 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git c5e4d5e99162ba8025d58a3af7ad103f155d2df7 config: arc-randconfig-r043-20220901 (https://download.01.org/0day-ci/archive/20220902/202209020818.s1RIxKyP-lkp@xxxxxxxxx/config) compiler: arc-elf-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/18d3054fb57a70676be763adab8c8881a1baa504 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Oscar-Salvador/page_owner-print-stacks-and-their-counter/20220901-124408 git checkout 18d3054fb57a70676be763adab8c8881a1baa504 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): lib/stackdepot.c: In function 'stack_depot_print_stacks_threshold': >> lib/stackdepot.c:603:17: error: 'STACK_HASH_SIZE' undeclared (first use in this function); did you mean 'STACK_HASH_SEED'? 603 | if (i < STACK_HASH_SIZE) | ^~~~~~~~~~~~~~~ | STACK_HASH_SEED lib/stackdepot.c:603:17: note: each undeclared identifier is reported only once for each function it appears in vim +603 lib/stackdepot.c 568 569 int stack_depot_print_stacks_threshold(char *buf, size_t size, loff_t *pos, 570 unsigned long *last_stack) 571 { 572 struct stack_record *stack = NULL, *last; 573 struct stack_record **stacks; 574 int i = *pos, ret = 0; 575 576 /* Continue from the last week if we have one */ 577 if (*last_stack) { 578 last = (struct stack_record *)*last_stack; 579 stack = last->next; 580 } else { 581 new_table: 582 stacks = &stack_table[i]; 583 stack = (struct stack_record *)stacks; 584 } 585 586 for (; stack; stack = stack->next) { 587 if (!stack->size || stack->size < 0 || 588 stack->size > size || stack->handle.valid != 1 || 589 refcount_read(&stack->count) < 1) 590 continue; 591 592 ret += stack_trace_snprint(buf, size, stack->entries, stack->size, 0); 593 ret += scnprintf(buf + ret, size - ret, "stack count: %d\n\n", 594 refcount_read(&stack->count)); 595 *last_stack = (unsigned long)stack; 596 return ret; 597 } 598 599 i++; 600 *pos = i; 601 602 /* Keep looking all tables for valid stacks */ > 603 if (i < STACK_HASH_SIZE) -- 0-DAY CI Kernel Test Service https://01.org/lkp
