netdev - Re: [PATCH net-next 3/3] net: add NUMA awareness to skb_attempt_defer

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Message-ID: <CAL+tcoC-5DyVaTCS1oSOg-mAjn4=q49M681+iniWW+jjRR7PMQ@mail.gmail.com>
Date: Sat, 27 Sep 2025 09:33:45 +0800
From: Jason Xing <kerneljasonxing@...il.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>, 
	Kuniyuki Iwashima <kuniyu@...gle.com>, Willem de Bruijn <willemb@...gle.com>, netdev@...r.kernel.org, 
	eric.dumazet@...il.com
Subject: Re: [PATCH net-next 3/3] net: add NUMA awareness to skb_attempt_defer_free()

On Fri, Sep 26, 2025 at 11:13 PM Eric Dumazet <edumazet@...gle.com> wrote:
>
> Instead of sharing sd->defer_list & sd->defer_count with
> many cpus, add one pair for each NUMA node.

Great! I think I might borrow this idea to optimize xsk in the xmit
path because previously I saw the performance impact among numa nodes.

Reviewed-by: Jason Xing <kerneljasonxing@...il.com>

Thanks!