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

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Message-ID: <willemdebruijn.kernel.3384fba821cd6@gmail.com>
Date: Wed, 17 Sep 2025 11:02:49 -0400
From: Willem de Bruijn <willemdebruijn.kernel@...il.com>
To: Eric Dumazet <edumazet@...gle.com>, 
 "David S . Miller" <davem@...emloft.net>, 
 Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>
Cc: Simon Horman <horms@...nel.org>, 
 Willem de Bruijn <willemb@...gle.com>, 
 Kuniyuki Iwashima <kuniyu@...gle.com>, 
 David Ahern <dsahern@...nel.org>, 
 netdev@...r.kernel.org, 
 eric.dumazet@...il.com, 
 Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH net-next 08/10] udp: add udp_drops_inc() helper

Eric Dumazet 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: Willem de Bruijn <willemb@...gle.com>