netdev - Re: [PATCH net] tcp: fix RTO calculated from cached RTT

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Date:	Tue, 17 Sep 2013 19:08:56 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	ycheng@...gle.com
Cc:	ncardwell@...gle.com, netdev@...r.kernel.org, edumazet@...gle.com
Subject: Re: [PATCH net] tcp: fix RTO calculated from cached RTT

From: Yuchung Cheng <ycheng@...gle.com>
Date: Tue, 17 Sep 2013 07:32:38 -0700

> On Mon, Sep 16, 2013 at 6:44 PM, Neal Cardwell <ncardwell@...gle.com> wrote:
>> Commit 1b7fdd2ab5852 ("tcp: do not use cached RTT for RTT estimation")
>> did not correctly account for the fact that crtt is the RTT shifted
>> left 3 bits. Fix the calculation to consistently reflect this fact.
>>
>> Signed-off-by: Neal Cardwell <ncardwell@...gle.com>
>> Cc: Eric Dumazet <edumazet@...gle.com>
>> Cc: Yuchung Cheng <ycheng@...gle.com>
>> ---
>>  net/ipv4/tcp_metrics.c | 4 +++-
>>  1 file changed, 3 insertions(+), 1 deletion(-)
> Acked-By: Yuchung Cheng <ycheng@...gle.com>
> 
> Thanks for discovering and fixing it!

Applied, thanks everyone.
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