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SubjectRe: [patch v5 11/15] sched: add power/performance balance allow flag
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On Mon, 2013-02-18 at 13:07 +0800, Alex Shi wrote:
> @@ -4053,6 +4053,8 @@ struct lb_env {
> unsigned int loop;
> unsigned int loop_break;
> unsigned int loop_max;
> + int power_lb; /* if power balance needed
> */
> + int perf_lb; /* if performance balance
> needed */
> };
>
> /*
> @@ -5195,6 +5197,8 @@ static int load_balance(int this_cpu, struct rq
> *this_rq,
> .idle = idle,
> .loop_break = sched_nr_migrate_break,
> .cpus = cpus,
> + .power_lb = 0,
> + .perf_lb = 1,
> };
>
> cpumask_copy(cpus, cpu_active_mask);

This construct allows for the possibility of power_lb=1,perf_lb=1, does
that make sense? Why not have a single balance_policy enumeration?



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