Re: [patch 6/8] pull RT tasks

[Peter Zijlstra]

On Fri, 2007-10-19 at 14:43 -0400, Steven Rostedt wrote:
> plain text document attachment (rt-balance-pull-tasks.patch)

> +static int pull_rt_task(struct rq *this_rq)
> +{
> +	struct task_struct *next;
> +	struct task_struct *p;
> +	struct rq *src_rq;
> +	int this_cpu = this_rq->cpu;
> +	int cpu;
> +	int ret = 0;
> +
> +	assert_spin_locked(&this_rq->lock);
> +
> +	if (likely(!atomic_read(&rt_overload)))
> +		return 0;

This seems to be the only usage of rt_overload. I'm not sure its worth
keeping it around for this.

> +	next = pick_next_task_rt(this_rq);
> +
> +	for_each_cpu_mask(cpu, rto_cpumask) {
> +		if (this_cpu == cpu)
> +			continue;

...

> +	}
> +
> +	return ret;
> +}


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