linux-kernel - Re: [PATCH v4 6/7] sched: add function nr_running_cpu to expose number of tasks running on cpu

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Date:	Sat, 12 Jul 2014 07:21:49 -0700
From:	Tadeusz Struk <tadeusz.struk@...el.com>
To:	Tim Chen <tim.c.chen@...ux.intel.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"H. Peter Anvin" <hpa@...or.com>,
	"David S.Miller" <davem@...emloft.net>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>
CC:	Chandramouli Narayanan <mouli@...ux.intel.com>,
	Vinodh Gopal <vinodh.gopal@...el.com>,
	James Guilford <james.guilford@...el.com>,
	Wajdi Feghali <wajdi.k.feghali@...el.com>,
	Jussi Kivilinna <jussi.kivilinna@....fi>,
	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 6/7] sched: add function nr_running_cpu to expose number
 of tasks running on cpu

On 07/11/2014 01:33 PM, Tim Chen wrote:
> +unsigned long nr_running_cpu(int cpu)
> +{
> +	if (cpumask_test_cpu(cpu, cpu_online_mask))
> +		return cpu_rq(cpu)->nr_running;
> +	else
> +		return 0;
> +}
> +
EXPORT_SYMBOL?
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