linux-kernel - Re: Add rq->nr_uninterruptible count to dest cpu's rq while CPU goes down.

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Message-ID: <CADZ9YHj9KmWU+A9MnNPDEPsEjzb2_ArCLFvt6d+fsGgXmpLfaQ@mail.gmail.com>
Date:	Wed, 29 Aug 2012 07:05:07 +0600
From:	Rakib Mullick <rakib.mullick@...il.com>
To:	paulmck@...ux.vnet.ibm.com
Cc:	Peter Zijlstra <peterz@...radead.org>, mingo@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: Add rq->nr_uninterruptible count to dest cpu's rq while CPU goes down.

On 8/28/12, Paul E. McKenney <paulmck@...ux.vnet.ibm.com> wrote:
>
> OK, but I thought that Peter said that ->nr_uninterruptible was
> meaningful only when summed across all CPUs.  If that is the case,
> it shouldn't matter where the counts are moved.
>
Yes, right. But, nr_uninterruptible is also use to calculate delta.
Please see calc_load_fold_active().

Thanks,
Rakib.
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