netdev - Re: [PATCH net-next 09/10] udp: make busylock per socket

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Message-ID: <CAAVpQUDhcqmw=-sVOdw5Bc7kPkFm2OdfVD_9EgQ_LHVhmWZfUQ@mail.gmail.com>
Date: Wed, 17 Sep 2025 11:15:12 -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 09/10] udp: make busylock per socket

On Tue, Sep 16, 2025 at 9:10 AM Eric Dumazet <edumazet@...gle.com> wrote:
>
> While having all spinlocks packed into an array was a space saver,
> this also caused NUMA imbalance and hash collisions.
>
> UDPv6 socket size becomes 1600 after this patch.
>
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

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