[qais-yousef:overutilized-affinity 2/2] kernel/sched/fair.c:12694:9: error: implicit declaration of function 'set_task_max_allowed_capacity'

[qais-yousef:overutilized-affinity 2/2] kernel/sched/fair.c:12694:9: error: implicit declaration of function 'set_task_max_allowed_capacity'

[kernel test robot]

tree:   https://github.com/qais-yousef/linux overutilized-affinity
head:   22d6e6b5c20133897944454d2ca4924389d2da90
commit: 3c515086c41e884b65c919541cc1bb563be80ed6 [2/2] sched/fair: Check a task has a fitting cpu when updating misfit
config: i386-buildonly-randconfig-002-20240204 (https://download.01.org/0day-ci/archive/20240204/202402041657.yeJn6c06-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240204/202402041657.yeJn6c06-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/202402041657.yeJn6c06-lkp@intel.com/

All errors (new ones prefixed by >>):

   kernel/sched/fair.c: In function 'task_fork_fair':
>> kernel/sched/fair.c:12694:9: error: implicit declaration of function 'set_task_max_allowed_capacity' [-Werror=implicit-function-declaration]
   12694 |         set_task_max_allowed_capacity(p);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   kernel/sched/fair.c: At top level:
   kernel/sched/fair.c:13150:6: warning: no previous prototype for 'free_fair_sched_group' [-Wmissing-prototypes]
   13150 | void free_fair_sched_group(struct task_group *tg) { }
         |      ^~~~~~~~~~~~~~~~~~~~~
   kernel/sched/fair.c:13152:5: warning: no previous prototype for 'alloc_fair_sched_group' [-Wmissing-prototypes]
   13152 | int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent)
         |     ^~~~~~~~~~~~~~~~~~~~~~
   kernel/sched/fair.c:13157:6: warning: no previous prototype for 'online_fair_sched_group' [-Wmissing-prototypes]
   13157 | void online_fair_sched_group(struct task_group *tg) { }
         |      ^~~~~~~~~~~~~~~~~~~~~~~
   kernel/sched/fair.c:13159:6: warning: no previous prototype for 'unregister_fair_sched_group' [-Wmissing-prototypes]
   13159 | void unregister_fair_sched_group(struct task_group *tg) { }
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/set_task_max_allowed_capacity +12694 kernel/sched/fair.c

 12678	
 12679	/*
 12680	 * called on fork with the child task as argument from the parent's context
 12681	 *  - child not yet on the tasklist
 12682	 *  - preemption disabled
 12683	 */
 12684	static void task_fork_fair(struct task_struct *p)
 12685	{
 12686		struct sched_entity *se = &p->se, *curr;
 12687		struct cfs_rq *cfs_rq;
 12688		struct rq *rq = this_rq();
 12689		struct rq_flags rf;
 12690	
 12691		rq_lock(rq, &rf);
 12692		update_rq_clock(rq);
 12693	
 12694		set_task_max_allowed_capacity(p);
 12695	
 12696		cfs_rq = task_cfs_rq(current);
 12697		curr = cfs_rq->curr;
 12698		if (curr)
 12699			update_curr(cfs_rq);
 12700		place_entity(cfs_rq, se, ENQUEUE_INITIAL);
 12701		rq_unlock(rq, &rf);
 12702	}
 12703	

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