linux-kernel - Re: [tip:sched/core] sched, nohz: Exclude isolated cores from load balancing

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Message-ID: <20140224070731.GV9987@twins.programming.kicks-ass.net>
Date:	Mon, 24 Feb 2014 08:07:31 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Lei Wen <adrian.wenl@...il.com>
Cc:	mingo@...nel.org, hpa@...or.com, mgalbraith@...e.de,
	linux-kernel@...r.kernel.org, leiwen@...vell.com,
	tglx@...utronix.de, linux-tip-commits@...r.kernel.org
Subject: Re: [tip:sched/core] sched, nohz: Exclude isolated cores from load
 balancing

On Mon, Feb 24, 2014 at 10:11:05AM +0800, Lei Wen wrote:
> How about use the API as cpumask_test_and_clear_cpu?
> Then below one line is enough.

Its more expensive.

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