Re: [tip:sched/core] sched, nohz: Exclude isolated cores from load balancing

[Mike Galbraith]

On Mon, 2014-02-24 at 10:11 +0800, Lei Wen wrote:

> How about use the API as cpumask_test_and_clear_cpu?
> Then below one line is enough.

Yeah.

> +               if (likely(cpumask_test_and_clear_cpu(cpu,
> nohz.idle_cpus_mask))) {
> 
> And I am not pretty sure whether we need such test here.

It was born because I watched me wreck nohz.nr_cpus :)

-Mike

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