[openeuler:OLK-6.6 3540/3540] kernel/sched/debug.c:102:12: warning: no previous prototype for 'is_prefer_numa'

[openeuler:OLK-6.6 3540/3540] kernel/sched/debug.c:102:12: warning: no previous prototype for 'is_prefer_numa'

[kernel test robot]

tree:   https://gitee.com/openeuler/kernel.git OLK-6.6
head:   5930fa3740c518a9f6ba688fd0c1873d6f3adbce
commit: 0f22304e62d360fce47988586d599e33895ccb01 [3540/3540] sched: Support NUMA parallel scheduling for multiple processes
config: x86_64-randconfig-161-20251211 (https://download.01.org/0day-ci/archive/20251211/202512111810.cbJGbotT-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251211/202512111810.cbJGbotT-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512111810.cbJGbotT-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 'is_prefer_numa' [-Wmissing-prototypes]
     102 | int __weak is_prefer_numa(void)
         |            ^~~~~~~~~~~~~~

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for PTP_1588_CLOCK
   Depends on [n]: NET [=y] && POSIX_TIMERS [=n]
   Selected by [m]:
   - SXE [=m] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_LINKDATA [=y] && (X86 [=y] || ARM64) && PCI [=y]
   - SXE_VF [=m] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_LINKDATA [=y] && (X86 [=y] || ARM64) && PCI [=y]


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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