netdev - Re: [PATCH] net: fix length computation in rt_check

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Message-Id: <20090520.171926.153405845.davem@davemloft.net>
Date:	Wed, 20 May 2009 17:19:26 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	nhorman@...driver.com
Cc:	dada1@...mosbay.com, jarkao2@...il.com, lav@....ru,
	shemminger@...ux-foundation.org, netdev@...r.kernel.org
Subject: Re: [PATCH] net: fix length computation in rt_check_expire()

From: Neil Horman <nhorman@...driver.com>
Date: Wed, 20 May 2009 06:27:54 -0400

> On Wed, May 20, 2009 at 06:54:22AM +0200, Eric Dumazet wrote:
>> [PATCH] net: fix length computation in rt_check_expire()
>> 
>> rt_check_expire() computes average and standard deviation of chain lengths,
>> but not correclty reset length to 0 at beginning of each chain.
>> This probably gives overflows for sum2 (and sum) on loaded machines instead 
>> of meaningful results.
>> 
>> Signed-off-by: Eric Dumazet <dada1@...mosbay.com>
> Acked-by: Neil Horman <nhorman@...driver.com>
> 

Applied and queued up for -stable.
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