Hi Christoph, kernel test robot noticed the following build warnings: [auto build test WARNING on b831f83e40a24f07c8dcba5be408d93beedc820f] url: https://github.com/intel-lab-lkp/linux/commits/Christoph-Lameter-via-B4-Relay/SLUB-Add-support-for-per-object-memory-policies/20240907-000537 base: b831f83e40a24f07c8dcba5be408d93beedc820f patch link: https://lore.kernel.org/r/20240906-strict_numa-v2-1-f104e6de6d1e%40gentwo.org patch subject: [PATCH v2] SLUB: Add support for per object memory policies config: sparc64-randconfig-r121-20240907 (https://download.01.org/0day-ci/archive/20240908/202409080304.haF25cFZ-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 14.1.0 reproduce: (https://download.01.org/0day-ci/archive/20240908/202409080304.haF25cFZ-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/202409080304.haF25cFZ-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> mm/slub.c:222:1: sparse: sparse: symbol 'strict_numa' was not declared. Should it be static? mm/slub.c: note: in included file (through include/linux/smp.h, include/linux/lockdep.h, include/linux/spinlock.h, ...): include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true mm/slub.c:3036:55: sparse: sparse: context imbalance in '__put_partials' - unexpected unlock include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true mm/slub.c:4327:47: sparse: sparse: context imbalance in '__slab_free' - unexpected unlock include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true vim +/strict_numa +222 mm/slub.c 220 221 #ifdef CONFIG_NUMA > 222 DEFINE_STATIC_KEY_FALSE(strict_numa); 223 #endif 224 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki