Merge "sched: Add provision to control the spreading on SMP" (6bb209db) · Commits · e / devices / android_kernel_fairphone_FP3

kernel/sched/fair.c

+6 −3

Original line number	Diff line number	Diff line
		@@ -6819,6 +6819,8 @@ is_packing_eligible(struct task_struct *p, unsigned long task_util,
		return cpu_cap_idx_pack == cpu_cap_idx_spread;
		}

		static unsigned int sched_smp_overlap_capacity = SCHED_CAPACITY_SCALE;

		static int energy_aware_wake_cpu(struct task_struct *p, int target, int sync)
		{
		struct sched_domain *sd;
		@@ -7091,10 +7093,11 @@ static int energy_aware_wake_cpu(struct task_struct *p, int target, int sync)

		/*
		* If we don't find a CPU that fits this task without
		* increasing OPP, expand the search to the other
		* groups on a SMP system.
		* increasing OPP above sched_smp_overlap_capacity,
		* expand the search to the other groups on a SMP system.
		*/
		if (!sysctl_sched_is_big_little && target_cpu == -1) {
		if (!sysctl_sched_is_big_little && target_cpu == -1 &&
		min_util_cpu_util_cum > sched_smp_overlap_capacity) {
		if (sg_target->next != start_sg) {
		sg_target = sg_target->next;
		goto next_sg;