Hi Allen, kernel test robot noticed the following build warnings: [auto build test WARNING on kees/for-next/execve] [also build test WARNING on brauner-vfs/vfs.all linus/master v6.9-rc7 next-20240507] [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/Allen-Pais/fs-coredump-Enable-dynamic-configuration-of-max-file-note-size/20240507-033907 base: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/execve patch link: https://lore.kernel.org/r/20240506193700.7884-1-apais%40linux.microsoft.com patch subject: [PATCH v4] fs/coredump: Enable dynamic configuration of max file note size config: arm64-randconfig-r054-20240507 (https://download.01.org/0day-ci/archive/20240508/202405080045.cTS3F5Or-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240508/202405080045.cTS3F5Or-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/202405080045.cTS3F5Or-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> fs/coredump.c:67:27: warning: 'core_file_note_size_max' defined but not used [-Wunused-const-variable=] 67 | static const unsigned int core_file_note_size_max = CORE_FILE_NOTE_SIZE_MAX; | ^~~~~~~~~~~~~~~~~~~~~~~ vim +/core_file_note_size_max +67 fs/coredump.c 62 63 static int core_uses_pid; 64 static unsigned int core_pipe_limit; 65 static char core_pattern[CORENAME_MAX_SIZE] = "core"; 66 static int core_name_size = CORENAME_MAX_SIZE; > 67 static const unsigned int core_file_note_size_max = CORE_FILE_NOTE_SIZE_MAX; 68 unsigned int core_file_note_size_min = CORE_FILE_NOTE_SIZE_DEFAULT; 69 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki