Merge "sched/fair: Improve the scheduler" (2dc5e568) · Commits · e / devices / android_kernel_fairphone_FP4

kernel/sched/fair.c

+9 −1

Original line number	Diff line number	Diff line
		@@ -6954,7 +6954,7 @@ static void find_best_target(struct sched_domain sd, cpumask_t cpus,
		if (prefer_idle && boosted)
		target_capacity = 0;

		if (fbt_env->strict_max)
		if (fbt_env->strict_max \|\| p->in_iowait)
		most_spare_wake_cap = LONG_MIN;

		/* Find start CPU based on boost value */
		@@ -7271,6 +7271,10 @@ static void find_best_target(struct sched_domain sd, cpumask_t cpus,
		next_group_higher_cap = (capacity_orig_of(group_first_cpu(sg)) <
		capacity_orig_of(group_first_cpu(sg->next)));

		if (p->in_iowait && !next_group_higher_cap &&
		most_spare_cap_cpu != -1)
		break;

		/*
		* If we've found a cpu, but the boost is ON_ALL we continue
		* visiting other clusters. If the boost is ON_BIG we visit
		@@ -8717,6 +8721,10 @@ int can_migrate_task(struct task_struct p, struct lb_env env)
		if (!can_migrate_boosted_task(p, env->src_cpu, env->dst_cpu))
		return 0;

		if (p->in_iowait && is_min_capacity_cpu(env->dst_cpu) &&
		!is_min_capacity_cpu(env->src_cpu))
		return 0;

		if (!cpumask_test_cpu(env->dst_cpu, &p->cpus_allowed)) {
		int cpu;