linux-kernel - Re: [patch 05/15] sched: unthrottle cfs_rq(s) who ran out of quota at period refresh

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Message-ID: <1302010099.2225.1331.camel@twins>
Date:	Tue, 05 Apr 2011 15:28:19 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Paul Turner <pjt@...gle.com>
Cc:	linux-kernel@...r.kernel.org,
	Bharata B Rao <bharata@...ux.vnet.ibm.com>,
	Dhaval Giani <dhaval.giani@...il.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com>,
	Srivatsa Vaddagiri <vatsa@...ibm.com>,
	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...e.hu>,
	Pavel Emelyanov <xemul@...nvz.org>,
	Nikhil Rao <ncrao@...gle.com>
Subject: Re: [patch 05/15] sched: unthrottle cfs_rq(s) who ran out of quota
 at period refresh

On Tue, 2011-03-22 at 20:03 -0700, Paul Turner wrote:
> +#ifdef CONFIG_SMP
> +static inline const struct cpumask *sched_bw_period_mask(void)
> +{
> +       return cpu_rq(smp_processor_id())->rd->span;
> +}
> +#else
> +static inline const struct cpumask *sched_bw_period_mask(void)
> +{
> +       return cpu_online_mask;
> +}
> +#endif 

insert rant about merging cpusets into the sched and memcg
controllers :-)
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