linux-kernel - Re: [RFC][PATCH v5 06/14] sched: create a new field with available capacity

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Message-ID: <20131112103440.GF4971@laptop.programming.kicks-ass.net>
Date:	Tue, 12 Nov 2013 11:34:40 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Vincent Guittot <vincent.guittot@...aro.org>
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org, pjt@...gle.com,
	Morten.Rasmussen@....com, cmetcalf@...era.com, tony.luck@...el.com,
	alex.shi@...el.com, preeti@...ux.vnet.ibm.com,
	linaro-kernel@...ts.linaro.org, rjw@...k.pl,
	paulmck@...ux.vnet.ibm.com, corbet@....net, tglx@...utronix.de,
	len.brown@...el.com, arjan@...ux.intel.com,
	amit.kucheria@...aro.org, l.majewski@...sung.com
Subject: Re: [RFC][PATCH v5 06/14] sched: create a new field with available
 capacity

On Fri, Oct 18, 2013 at 01:52:19PM +0200, Vincent Guittot wrote:
> This new field power_available reflects the available capacity of a CPU
> unlike the cpu_power which reflects the current capacity.

> -	sdg->sgp->power_orig = sdg->sgp->power = power;
> +	sdg->sgp->power_orig = sdg->sgp->power_available = available;
> +	sdg->sgp->power = power;

This patch leaves me confused as to power_available vs power_orig and
the Changelog doesn't really clarify anything much at all.
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