[android-common:android13-5.15 1/2] kernel/sched/core.c:4797:6: warning: no previous declaration for '__balance_callbacks'

[kernel test robot <lkp@intel.com>]

tree:   https://android.googlesource.com/kernel/common android13-5.15
head:   10800b39da4031ac30a74e28be12b1d7c8860b32
commit: a2f552f49c9084dcc48b2066888d06a324e34b98 [1/2] ANDROID: GKI: vendor code needs __balance_callbacks access
config: i386-randconfig-062-20230822 (https://download.01.org/0day-ci/archive/20230823/202308232039.iAc5K2Az-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce: (https://download.01.org/0day-ci/archive/20230823/202308232039.iAc5K2Az-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/202308232039.iAc5K2Az-lkp@intel.com/

All warnings (new ones prefixed by >>):

   kernel/sched/core.c:3495:6: warning: no previous declaration for 'sched_set_stop_task' [-Wmissing-declarations]
    void sched_set_stop_task(int cpu, struct task_struct *stop)
         ^~~~~~~~~~~~~~~~~~~
>> kernel/sched/core.c:4797:6: warning: no previous declaration for '__balance_callbacks' [-Wmissing-declarations]
    void __balance_callbacks(struct rq *rq)
         ^~~~~~~~~~~~~~~~~~~

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for ARCH_HAS_NONLEAF_PMD_YOUNG
   Depends on [n]: PGTABLE_LEVELS [=2]>2
   Selected by [y]:
   - X86 [=y]
   WARNING: unmet direct dependencies detected for SND_PCM_IEC958
   Depends on [n]: SOUND [=y] && !UML && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_SOC_CONFIGS [=y]


vim +/__balance_callbacks +4797 kernel/sched/core.c

  4796	
> 4797	void __balance_callbacks(struct rq *rq)
  4798	{
  4799		do_balance_callbacks(rq, __splice_balance_callbacks(rq, false));
  4800	}
  4801	EXPORT_SYMBOL_GPL(__balance_callbacks);
  4802	

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