linux-kernel - Re: [RESEND PATCH 2/3 v5] sched: Rewrite per entity runnable load average tracking

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Message-ID: <20141021233330.GA2577@intel.com>
Date:	Wed, 22 Oct 2014 07:33:31 +0800
From:	Yuyang Du <yuyang.du@...el.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	mingo@...hat.com, linux-kernel@...r.kernel.org, pjt@...gle.com,
	bsegall@...gle.com, arjan.van.de.ven@...el.com,
	len.brown@...el.com, rafael.j.wysocki@...el.com,
	alan.cox@...el.com, mark.gross@...el.com, fengguang.wu@...el.com
Subject: Re: [RESEND PATCH 2/3 v5] sched: Rewrite per entity runnable load
 average tracking

On Tue, Oct 21, 2014 at 04:32:21PM +0200, Peter Zijlstra wrote:

> +	val = mul_u64_u32_shr(val, runnable_avg_yN_inv[local_n], 32);
> +	return val;

Brilliant!
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