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Commit 0001b6ab authored by Pavankumar Kondeti's avatar Pavankumar Kondeti
Browse files

sched/fair: Improve the scheduler 



This change is for general scheduler improvement.

Change-Id: I0caae436c933656c9a7b5135c6d4a8179be06631
Signed-off-by: default avatarPavankumar Kondeti <pkondeti@codeaurora.org>
parent f156de76

kernel/sched/fair.c

+2 −6
Original line number Diff line number Diff line
@@ -9051,7 +9051,8 @@ int can_migrate_task(struct task_struct *p, struct lb_env *env) 
	env->flags &= ~LBF_ALL_PINNED;



	if (energy_aware() && !sd_overutilized(env->sd) &&

	    env->idle == CPU_NEWLY_IDLE) {

	    env->idle == CPU_NEWLY_IDLE &&

	    !task_in_related_thread_group(p)) {

		long util_cum_dst, util_cum_src;

		unsigned long demand;
@@ -10501,7 +10502,6 @@ static struct sched_group *find_busiest_group(struct lb_env *env) 


	if (energy_aware() && !sd_overutilized(env->sd)) {

		int cpu_local, cpu_busiest;

		long util_cum;

		unsigned long capacity_local, capacity_busiest;



		if (env->idle != CPU_NEWLY_IDLE)
@@ -10521,10 +10521,6 @@ static struct sched_group *find_busiest_group(struct lb_env *env) 
		} else if (capacity_local == capacity_busiest) {

			if (cpu_rq(cpu_busiest)->nr_running < 2)

				goto out_balanced;



			util_cum = cpu_util_cum(cpu_busiest, 0);

			if (util_cum < cpu_util_cum(cpu_local, 0))

				goto out_balanced;

		}

	}