linux-kernel - Re: [PATCH 2/2] CFS CGroup: Report usage

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Message-ID: <20071023164307.GD4667@linux.vnet.ibm.com>
Date:	Tue, 23 Oct 2007 22:13:07 +0530
From:	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>
To:	Paul Menage <menage@...gle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Srivatsa Vaddagiri <vatsa@...ibm.com>,
	containers@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] CFS CGroup: Report usage

On Mon, Oct 22, 2007 at 05:49:39PM -0700, Paul Menage wrote:
> +	for_each_possible_cpu(i) {
> +		unsigned long flags;
> +		spin_lock_irqsave(&tg->cfs_rq[i]->rq->lock, flags);

A simpler form of this would be just:

		spin_lock_irqsave(&cpu_rq(i)->lock, flags);

-- 
Regards,
vatsa
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