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Message-ID: <202402162252.FpEa3ZUY-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Queue-Id: 161EA160002 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: dd4kzf47xqncxdmxksg86jk1ko89bw4r X-HE-Tag: 1708093659-821768 X-HE-Meta: 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: d37e1e4c52bc60578969f391fb81f947c3e83118 commit: 3a6bc36161369a1772af565b59c6e290ee189afc [6971/7658] mm,page_owner: display all stacks and their count config: x86_64-randconfig-161-20240215 (https://download.01.org/0day-ci/archive/20240216/202402162252.FpEa3ZUY-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202402162252.FpEa3ZUY-lkp@intel.com/ smatch warnings: mm/page_owner.c:860 stack_print() warn: unsigned 'nr_entries' is never less than zero. vim +/nr_entries +860 mm/page_owner.c 848 849 static int stack_print(struct seq_file *m, void *v) 850 { 851 int i; 852 struct stack *stack = v; 853 unsigned long *entries; 854 unsigned long nr_entries; 855 struct stack_record *stack_record = stack->stack_record; 856 857 nr_entries = stack_record->size; 858 entries = stack_record->entries; 859 > 860 if (!nr_entries || nr_entries < 0 || 861 refcount_read(&stack_record->count) < 2) 862 return 0; 863 864 for (i = 0; i < nr_entries; i++) 865 seq_printf(m, " %pS\n", (void *)entries[i]); 866 seq_printf(m, "stack_count: %d\n\n", refcount_read(&stack_record->count)); 867 868 return 0; 869 } 870 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki