From: Eric Dumazet <eric.dumazet@gmail.com>
To: Yafang Shao <laoar.shao@gmail.com>,
davem@davemloft.net, edumazet@google.com
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Joe Perches <joe@perches.com>
Subject: Re: [PATCH net-next v2] tcp: minor optimization in tcp ack fast path processing
Date: Sun, 11 Nov 2018 06:34:09 -0800 [thread overview]
Message-ID: <678e757d-7df1-4c5d-7acb-dd6b0f94a859@gmail.com> (raw)
In-Reply-To: <1541938210-11797-1-git-send-email-laoar.shao@gmail.com>
On 11/11/2018 04:10 AM, Yafang Shao wrote:
> Bitwise operation is a little faster.
> So I replace after() with using the flag FLAG_SND_UNA_ADVANCED as it is
> already set before.
>
> In addtion, there's another similar improvement in tcp_cwnd_reduction().
>
> Cc: Joe Perches <joe@perches.com>
> Suggested-by: Eric Dumazet <edumazet@google.com>
> Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Thanks.
next prev parent reply other threads:[~2018-11-11 14:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-11 12:10 [PATCH net-next v2] tcp: minor optimization in tcp ack fast path processing Yafang Shao
2018-11-11 14:34 ` Eric Dumazet [this message]
2018-11-11 18:26 ` David Miller
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