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From: Alex Shi <alex.shi@linaro.org>
To: Michael wang <wangyun@linux.vnet.ibm.com>,
	mingo@redhat.com, peterz@infradead.org, morten.rasmussen@arm.com,
	vincent.guittot@linaro.org, daniel.lezcano@linaro.org,
	efault@gmx.de
Cc: linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 1/2] sched/update_avg: avoid negative time
Date: Tue, 21 Jan 2014 16:46:08 +0800	[thread overview]
Message-ID: <52DE33D0.1060703@linaro.org> (raw)
In-Reply-To: <52DE1883.2070304@linux.vnet.ibm.com>

On 01/21/2014 02:49 PM, Michael wang wrote:
> This seems like won't happen...
> 
> if 'diff' is negative, it's absolute value won't bigger than '*avg', not
> to mention we only use 1/8 of it.

That's why I said 'sorry and forget this patch'. :(

-- 
Thanks
    Alex

      reply	other threads:[~2014-01-21  8:46 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-21  5:33 [RFC PATCH 1/2] sched/update_avg: avoid negative time Alex Shi
2014-01-21  5:33 ` [PATCH 2/2] sched: add statistic for rq->max_idle_balance_cost Alex Shi
2014-01-21  7:43   ` Jason Low
2014-01-21  8:44     ` Alex Shi
2014-01-22  8:24     ` Alex Shi
2014-01-22 16:09       ` Peter Zijlstra
2014-01-22 18:10         ` Jason Low
2014-01-23  6:49           ` Alex Shi
2014-01-23  9:54             ` Peter Zijlstra
2014-01-23 10:49               ` Alex Shi
2014-01-23 12:32                 ` Morten Rasmussen
2014-01-23 14:43                   ` Alex Shi
2014-02-11 12:17                 ` [tip:sched/core] sched: Add statistic for newidle load balance cost tip-bot for Alex Shi
2014-01-21  5:59 ` [RFC PATCH 1/2] sched/update_avg: avoid negative time Alex Shi
2014-01-21  6:49 ` Michael wang
2014-01-21  8:46   ` Alex Shi [this message]

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