tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 263cf8eeb5316aeebd9d692e9966df029f65889f commit: 0f22304e62d360fce47988586d599e33895ccb01 [2669/2669] sched: Support NUMA parallel scheduling for multiple processes config: x86_64-buildonly-randconfig-001-20250812 (https://download.01.org/0day-ci/archive/20250812/202508121611.xU3A9CdS-lkp@i...) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250812/202508121611.xU3A9CdS-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202508121611.xU3A9CdS-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from kernel/sched/build_utility.c:73:

...

kernel/sched/debug.c:102:12: warning: no previous prototype for function 'is_prefer_numa' [-Wmissing-prototypes] 102 | int __weak is_prefer_numa(void) | ^ kernel/sched/debug.c:102:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 102 | int __weak is_prefer_numa(void) | ^ | static In file included from kernel/sched/build_utility.c:105: kernel/sched/isolation.c:134:46: error: use of undeclared identifier 'setup_max_cpus' 134 | if (first_cpu >= nr_cpu_ids || first_cpu >= setup_max_cpus) { | ^ 1 warning and 1 error generated.

vim +/is_prefer_numa +102 kernel/sched/debug.c 101

102 int __weak is_prefer_numa(void) 103 { 104 return 0; 105 } 106

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