From: Fernando Fernandez Mancera <fmancera@suse.de>
To: Ziran Zhang <zhangcoder@yeah.net>,
Eric Dumazet <edumazet@google.com>,
Neal Cardwell <ncardwell@google.com>,
Kuniyuki Iwashima <kuniyu@google.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tcp: clarify comment for mdev_us in struct tcp_sock
Date: Thu, 6 Aug 2026 10:28:44 +0200 [thread overview]
Message-ID: <19ecac31-71d6-43f6-9453-52e6b1a04fcd@suse.de> (raw)
In-Reply-To: <20260805131927.27661-1-zhangcoder@yeah.net>
On 8/5/26 3:19 PM, Ziran Zhang wrote:
> The existing comment for mdev_us says "medium deviation", but this
> term is inaccurate. The field stores the "mean deviation" of RTT,
> as originally defined in Van Jacobson's paper "Congestion
> Avoidance and Control", and it is scaled by 4 (<< 2) in the Linux
> implementation.
>
> Update the comment to reflect the correct terminology and storage
> format.
>
> Signed-off-by: Ziran Zhang <zhangcoder@yeah.net>
Reviewed-by: Fernando Fernandez Mancera <fmancera@suse.de>
Thanks!
prev parent reply other threads:[~2026-08-06 8:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-05 13:19 [PATCH] tcp: clarify comment for mdev_us in struct tcp_sock Ziran Zhang
2026-08-06 8:28 ` Fernando Fernandez Mancera [this message]
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