netdev - Re: [PATCH net-next 08/10] udp: add udp_drops

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Message-ID: <CAAVpQUDXvdg5ti6dUZz3bh+xPj9BBUGmWX402XUCUaJKtx7snA@mail.gmail.com>
Date: Wed, 17 Sep 2025 11:13:18 -0700
From: Kuniyuki Iwashima <kuniyu@...gle.com>
To: Eric Dumazet <edumazet@...gle.com>
Cc: "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, 
	Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, 
	Willem de Bruijn <willemb@...gle.com>, David Ahern <dsahern@...nel.org>, netdev@...r.kernel.org, 
	eric.dumazet@...il.com
Subject: Re: [PATCH net-next 08/10] udp: add udp_drops_inc() helper

On Tue, Sep 16, 2025 at 9:10 AM Eric Dumazet <edumazet@...gle.com> wrote:
>
> Generic sk_drops_inc() reads sk->sk_drop_counters.
> We know the precise location for UDP sockets.
>
> Move sk_drop_counters out of sock_read_rxtx
> so that sock_write_rxtx starts at a cache line boundary.
>
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Reviewed-by: Kuniyuki Iwashima <kuniyu@...gle.com>