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Commit 4d984277 authored by Gregory Haskins's avatar Gregory Haskins
Browse files

sched: cleanup inc/dec_rt_tasks 



Move some common definitions up to the function prologe to simplify the
body logic.

Signed-off-by: default avatarGregory Haskins <ghaskins@novell.com>
parent 6092848a

kernel/sched_rt.c

+16 −24
Original line number Diff line number Diff line
@@ -550,30 +550,28 @@ static void update_curr_rt(struct rq *rq) 
static inline

void inc_rt_tasks(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq)

{

	WARN_ON(!rt_prio(rt_se_prio(rt_se)));

	rt_rq->rt_nr_running++;

#if defined CONFIG_SMP || defined CONFIG_RT_GROUP_SCHED

	if (rt_se_prio(rt_se) < rt_rq->highest_prio) {

	int prio = rt_se_prio(rt_se);

#ifdef CONFIG_SMP

	struct rq *rq = rq_of_rt_rq(rt_rq);

#endif



		rt_rq->highest_prio = rt_se_prio(rt_se);

	WARN_ON(!rt_prio(prio));

	rt_rq->rt_nr_running++;

#if defined CONFIG_SMP || defined CONFIG_RT_GROUP_SCHED

	if (prio < rt_rq->highest_prio) {



		rt_rq->highest_prio = prio;

#ifdef CONFIG_SMP

		if (rq->online)

			cpupri_set(&rq->rd->cpupri, rq->cpu,

				   rt_se_prio(rt_se));

			cpupri_set(&rq->rd->cpupri, rq->cpu, prio);

#endif

	}

#endif

#ifdef CONFIG_SMP

	if (rt_se->nr_cpus_allowed > 1) {

		struct rq *rq = rq_of_rt_rq(rt_rq);



	if (rt_se->nr_cpus_allowed > 1)

		rq->rt.rt_nr_migratory++;

	}



	update_rt_migration(rq_of_rt_rq(rt_rq));

	update_rt_migration(rq);

#endif

#ifdef CONFIG_RT_GROUP_SCHED

	if (rt_se_boosted(rt_se))
@@ -590,6 +588,7 @@ static inline 
void dec_rt_tasks(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq)

{

#ifdef CONFIG_SMP

	struct rq *rq = rq_of_rt_rq(rt_rq);

	int highest_prio = rt_rq->highest_prio;

#endif
@@ -611,20 +610,13 @@ void dec_rt_tasks(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq) 
		rt_rq->highest_prio = MAX_RT_PRIO;

#endif

#ifdef CONFIG_SMP

	if (rt_se->nr_cpus_allowed > 1) {

		struct rq *rq = rq_of_rt_rq(rt_rq);

	if (rt_se->nr_cpus_allowed > 1)

		rq->rt.rt_nr_migratory--;

	}



	if (rt_rq->highest_prio != highest_prio) {

		struct rq *rq = rq_of_rt_rq(rt_rq);

	if (rq->online && rt_rq->highest_prio != highest_prio)

		cpupri_set(&rq->rd->cpupri, rq->cpu, rt_rq->highest_prio);



		if (rq->online)

			cpupri_set(&rq->rd->cpupri, rq->cpu,

				   rt_rq->highest_prio);

	}



	update_rt_migration(rq_of_rt_rq(rt_rq));

	update_rt_migration(rq);

#endif /* CONFIG_SMP */

#ifdef CONFIG_RT_GROUP_SCHED

	if (rt_se_boosted(rt_se))