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[34.145.139.141]) by smtp.gmail.com with UTF8SMTPSA id d75a77b69052e-4b639dce785sm101193221cf.41.2025.09.17.08.03.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Sep 2025 08:03:01 -0700 (PDT) Date: Wed, 17 Sep 2025 11:03:01 -0400 From: Willem de Bruijn To: Eric Dumazet , "David S . Miller" , Jakub Kicinski , Paolo Abeni Cc: Simon Horman , Willem de Bruijn , Kuniyuki Iwashima , David Ahern , netdev@vger.kernel.org, eric.dumazet@gmail.com, Eric Dumazet Message-ID: In-Reply-To: <20250916160951.541279-10-edumazet@google.com> References: <20250916160951.541279-1-edumazet@google.com> <20250916160951.541279-10-edumazet@google.com> Subject: Re: [PATCH net-next 09/10] udp: make busylock per socket Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Eric Dumazet 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 Reviewed-by: Willem de Bruijn