linux-kernel - Re: [PATCH 8/15] sched: Add parameter sched_mn_power_savings to control MN domain sched policy

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Date:	Wed, 26 Aug 2009 15:00:43 +0530
From:	Gautham R Shenoy <ego@...ibm.com>
To:	Andreas Herrmann <andreas.herrmann3@....com>
Cc:	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org,
	Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com>,
	Balbir Singh <balbir@...ibm.com>
Subject: Re: [PATCH 8/15] sched: Add parameter sched_mn_power_savings to
	control MN domain sched policy

Hi Andreas,

On Thu, Aug 20, 2009 at 03:39:14PM +0200, Andreas Herrmann wrote:
> @@ -9208,6 +9229,11 @@ int __init sched_create_sysfs_power_savings_entries(struct sysdev_class *cls)
>  		err = sysfs_create_file(&cls->kset.kobj,
>  					&attr_sched_mc_power_savings.attr);
>  #endif
> +#ifdef CONFIG_SCHED_MN
> +	if (!err && mc_capable())
> +		err = sysfs_create_file(&cls->kset.kobj,
> +					&attr_sched_mn_power_savings.attr);
> +#endif

This would create the sysfs tunable even on systems which are
mc_capable() but don't have multi-nodes on a package, no ?

>  	return err;
>  }
>  #endif /* CONFIG_SCHED_MC || CONFIG_SCHED_SMT */
> -- 
> 1.6.0.4
> 
> 

-- 
Thanks and Regards
gautham
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