Hi Sam, kernel test robot noticed the following build warnings: [auto build test WARNING on 84b76d05828a1909e20d0f66553b876b801f98c8] url: https://github.com/intel-lab-lkp/linux/commits/Sam-Ravnborg-via-B4-Relay/sparc32-Update-defconfig-to-LEON-SMP/20240310-021717 base: 84b76d05828a1909e20d0f66553b876b801f98c8 patch link: https://lore.kernel.org/r/20240309-sunset-v2-14-f09912574d2c%40ravnborg.org patch subject: [PATCH v2 14/28] sparc32: Drop unused mmu models config: sparc-randconfig-r113-20240310 (https://download.01.org/0day-ci/archive/20240310/202403101854.Z94SAU13-lkp@xxxxxxxxx/config) compiler: sparc-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20240310/202403101854.Z94SAU13-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/202403101854.Z94SAU13-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> arch/sparc/mm/srmmu.c:49:5: sparse: sparse: symbol 'vac_line_size' was not declared. Should it be static? vim +/vac_line_size +49 arch/sparc/mm/srmmu.c accf032cfa582e Sam Ravnborg 2012-05-19 46 ^1da177e4c3f41 Linus Torvalds 2005-04-16 47 int vac_cache_size; 9d262d95114cf2 Guenter Roeck 2017-04-01 48 EXPORT_SYMBOL(vac_cache_size); ^1da177e4c3f41 Linus Torvalds 2005-04-16 @49 int vac_line_size; ^1da177e4c3f41 Linus Torvalds 2005-04-16 50 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki