[android-common:android13-5.15 6/8] kernel/sched/core.c:2308:12: warning: no previous prototype for '__migrate_task'

[android-common:android13-5.15 6/8] kernel/sched/core.c:2308:12: warning: no previous prototype for '__migrate_task'

[kernel test robot]

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tree:   https://android.googlesource.com/kernel/common android13-5.15
head:   81a0b5826138b3314eea90bcec18f5822b0a3575
commit: ca2177d4a03ddc4e6b64e54e0e7a176e282b4e18 [6/8] ANDROID: sched: allow access to critical common code for CPU Pause
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        git remote add android-common https://android.googlesource.com/kernel/common
        git fetch --no-tags android-common android13-5.15
        git checkout ca2177d4a03ddc4e6b64e54e0e7a176e282b4e18
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> kernel/sched/core.c:2308:12: warning: no previous prototype for '__migrate_task' [-Wmissing-prototypes]
    2308 | struct rq *__migrate_task(struct rq *rq, struct rq_flags *rf,
         |            ^~~~~~~~~~~~~~
   kernel/sched/core.c:3459:6: warning: no previous prototype for 'sched_set_stop_task' [-Wmissing-prototypes]
    3459 | void sched_set_stop_task(int cpu, struct task_struct *stop)
         |      ^~~~~~~~~~~~~~~~~~~


vim +/__migrate_task +2308 kernel/sched/core.c

  2298	
  2299	/*
  2300	 * Move (not current) task off this CPU, onto the destination CPU. We're doing
  2301	 * this because either it can't run here any more (set_cpus_allowed()
  2302	 * away from this CPU, or CPU going down), or because we're
  2303	 * attempting to rebalance this task on exec (sched_exec).
  2304	 *
  2305	 * So we race with normal scheduler movements, but that's OK, as long
  2306	 * as the task is no longer on this CPU.
  2307	 */
> 2308	struct rq *__migrate_task(struct rq *rq, struct rq_flags *rf,
  2309				  struct task_struct *p, int dest_cpu)
  2310	{
  2311		/* Affinity changed (again). */
  2312		if (!is_cpu_allowed(p, dest_cpu))
  2313			return rq;
  2314	
  2315		update_rq_clock(rq);
  2316		rq = move_queued_task(rq, rf, p, dest_cpu);
  2317	
  2318		return rq;
  2319	}
  2320	EXPORT_SYMBOL_GPL(__migrate_task);
  2321	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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