Merge "sched/fair: Force balancing on NOHZ balance if local group has capacity" (cfde0fd6) · Commits · e / devices / android_kernel_fairphone_FP3

kernel/sched/fair.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -9709,8 +9709,11 @@ static struct sched_group find_busiest_group(struct lb_env env)
		if (busiest->group_type == group_imbalanced)
		goto force_balance;

		/* SD_BALANCE_NEWIDLE trumps SMP nice when underutilized */
		if (env->idle == CPU_NEWLY_IDLE && group_has_capacity(env, local) &&
		/*
		* When dst_cpu is idle, prevent SMP nice and/or asymmetric group
		* capacities from resulting in underutilization due to avg_load.
		*/
		if (env->idle != CPU_NOT_IDLE && group_has_capacity(env, local) &&
		busiest->group_no_capacity)
		goto force_balance;