From: Jason Xing <kerneljasonxing@gmail.com>
To: Eric Dumazet <edumazet@google.com>
Cc: "David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
Kuniyuki Iwashima <kuniyu@google.com>,
Willem de Bruijn <willemb@google.com>,
netdev@vger.kernel.org, eric.dumazet@gmail.com
Subject: Re: [PATCH net-next 3/3] net: add NUMA awareness to skb_attempt_defer_free()
Date: Sat, 27 Sep 2025 09:33:45 +0800 [thread overview]
Message-ID: <CAL+tcoC-5DyVaTCS1oSOg-mAjn4=q49M681+iniWW+jjRR7PMQ@mail.gmail.com> (raw)
In-Reply-To: <20250926151304.1897276-4-edumazet@google.com>
On Fri, Sep 26, 2025 at 11:13 PM Eric Dumazet <edumazet@google.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@gmail.com>
Thanks!
next prev parent reply other threads:[~2025-09-27 1:34 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-26 15:13 [PATCH net-next 0/3] net: lockless skb_attempt_defer_free() Eric Dumazet
2025-09-26 15:13 ` [PATCH net-next 1/3] net: make softnet_data.defer_count an atomic Eric Dumazet
2025-09-27 1:10 ` Jason Xing
2025-09-27 19:39 ` Kuniyuki Iwashima
2025-09-26 15:13 ` [PATCH net-next 2/3] net: use llist for sd->defer_list Eric Dumazet
2025-09-27 1:09 ` Jason Xing
2025-09-27 19:52 ` Kuniyuki Iwashima
2025-09-26 15:13 ` [PATCH net-next 3/3] net: add NUMA awareness to skb_attempt_defer_free() Eric Dumazet
2025-09-27 1:33 ` Jason Xing [this message]
2025-09-27 20:28 ` Kuniyuki Iwashima
2025-09-28 8:45 ` Eric Dumazet
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