netdev - Re: [PATCH net-next 10/10] udp: use skb_attempt_defer

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <e0ca50a8-564a-42d9-a457-f06f7824b414@kernel.org>
Date: Wed, 17 Sep 2025 09:55:46 -0600
From: David Ahern <dsahern@...nel.org>
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>, netdev@...r.kernel.org,
 eric.dumazet@...il.com
Subject: Re: [PATCH net-next 10/10] udp: use skb_attempt_defer_free()

On 9/16/25 10:09 AM, Eric Dumazet wrote:
> Move skb freeing from udp recvmsg() path to the cpu
> which allocated/received it, as TCP did in linux-5.17.
> 
> This increases max thoughput by 20% to 30%, depending
> on number of BH producers.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> ---
>  net/ipv4/udp.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 

Reviewed-by: David Ahern <dsahern@...nel.org>