Hi Oscar, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.3-rc7] [cannot apply to akpm-mm/mm-everything next-20230420] [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/lib-stackdepot-Add-a-refcount-field-in-stack_record/20230421-181709 patch link: https://lore.kernel.org/r/20230421101415.5734-3-osalvador%40suse.de patch subject: [PATCH v4 2/3] mm, page_owner: Add page_owner_stacks file to print out only stacks and their counte config: ia64-allyesconfig (https://download.01.org/0day-ci/archive/20230421/202304212153.jLLmROz6-lkp@xxxxxxxxx/config) compiler: ia64-linux-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/6c6dfc43015e1939f433f4371d33418ab4d03411 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Oscar-Salvador/lib-stackdepot-Add-a-refcount-field-in-stack_record/20230421-181709 git checkout 6c6dfc43015e1939f433f4371d33418ab4d03411 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash M=lib/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304212153.jLLmROz6-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/linux/page_ext.h:7, from include/linux/mm.h:22, from include/linux/mman.h:5, from lib/test_user_copy.c:13: >> include/linux/stackdepot.h:120:26: warning: 'struct seq_file' declared inside parameter list will not be visible outside of this definition or declaration 120 | void *stack_start(struct seq_file *m, loff_t *ppos); | ^~~~~~~~ include/linux/stackdepot.h:121:25: warning: 'struct seq_file' declared inside parameter list will not be visible outside of this definition or declaration 121 | void *stack_next(struct seq_file *m, void *v, loff_t *ppos); | ^~~~~~~~ include/linux/stackdepot.h:122:24: warning: 'struct seq_file' declared inside parameter list will not be visible outside of this definition or declaration 122 | int stack_print(struct seq_file *m, void *v); | ^~~~~~~~ vim +120 include/linux/stackdepot.h 99 100 /** 101 * stack_depot_save - Save a stack trace to stack depot 102 * 103 * @entries: Pointer to the stack trace 104 * @nr_entries: Number of frames in the stack 105 * @alloc_flags: Allocation GFP flags 106 * 107 * Context: Contexts where allocations via alloc_pages() are allowed. 108 * See __stack_depot_save() for more details. 109 * 110 * Return: Handle of the stack trace stored in depot, 0 on failure 111 */ 112 depot_stack_handle_t stack_depot_save(unsigned long *entries, 113 unsigned int nr_entries, gfp_t gfp_flags); 114 depot_stack_handle_t stack_depot_save_action(unsigned long *entries, 115 unsigned int nr_entries, 116 gfp_t gfp_flags, 117 bool counter); 118 119 #ifdef CONFIG_PAGE_OWNER > 120 void *stack_start(struct seq_file *m, loff_t *ppos); 121 void *stack_next(struct seq_file *m, void *v, loff_t *ppos); 122 int stack_print(struct seq_file *m, void *v); 123 #endif 124 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
