netdev - Re: [PATCH v8 net-next 1/5] Documentations: Analyze heavily used Networking related structs

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Message-ID: <CANn89i+A4xfqz-Tr920p3iNQu9dU4UsyAFY_sEqZwns=SyHXTw@mail.gmail.com>
Date: Thu, 30 Nov 2023 11:37:42 +0100
From: Eric Dumazet <edumazet@...gle.com>
To: Coco Li <lixiaoyan@...gle.com>
Cc: Jakub Kicinski <kuba@...nel.org>, Neal Cardwell <ncardwell@...gle.com>, 
	Mubashir Adnan Qureshi <mubashirq@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew@...n.ch>, 
	Jonathan Corbet <corbet@....net>, David Ahern <dsahern@...nel.org>, 
	Daniel Borkmann <daniel@...earbox.net>, netdev@...r.kernel.org, Chao Wu <wwchao@...gle.com>, 
	Wei Wang <weiwan@...gle.com>, Pradeep Nemavat <pnemavat@...gle.com>
Subject: Re: [PATCH v8 net-next 1/5] Documentations: Analyze heavily used
 Networking related structs

On Wed, Nov 29, 2023 at 8:28 AM Coco Li <lixiaoyan@...gle.com> wrote:
>
> Analyzed a few structs in the networking stack by looking at variables
> within them that are used in the TCP/IP fast path.
>
> Fast path is defined as TCP path where data is transferred from sender to
> receiver unidirectionally. It doesn't include phases other than
> TCP_ESTABLISHED, nor does it look at error paths.
>
> We hope to re-organizing variables that span many cachelines whose fast
> path variables are also spread out, and this document can help future
> developers keep networking fast path cachelines small.
>

Reviewed-by: Eric Dumazet <edumazet@...gle.com>