From: Eric Dumazet <edumazet@google.com>
To: "David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Paolo Abeni <pabeni@redhat.com>
Cc: Simon Horman <horms@kernel.org>,
netdev@vger.kernel.org, eric.dumazet@gmail.com,
Eric Dumazet <edumazet@google.com>
Subject: [PATCH net-next] net: minor __alloc_skb() optimization
Date: Tue, 13 Jan 2026 13:10:17 +0000 [thread overview]
Message-ID: <20260113131017.2310584-1-edumazet@google.com> (raw)
We can directly call __finalize_skb_around()
instead of __build_skb_around() because @size is not zero.
Signed-off-by: Eric Dumazet <edumazet@google.com>
---
net/core/skbuff.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 4887099e8678352a62d805e1b0be2736dc985376..77508cf7c41e829a11a988d8de3d2673ff1ff121 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -714,7 +714,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
prefetchw(data + SKB_WITH_OVERHEAD(size));
skbuff_clear(skb);
- __build_skb_around(skb, data, size);
+ __finalize_skb_around(skb, data, size);
skb->pfmemalloc = pfmemalloc;
if (flags & SKB_ALLOC_FCLONE) {
--
2.52.0.457.g6b5491de43-goog
next reply other threads:[~2026-01-13 13:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-13 13:10 Eric Dumazet [this message]
2026-01-14 1:44 ` [PATCH net-next] net: minor __alloc_skb() optimization Jakub Kicinski
2026-01-14 1:54 ` Eric Dumazet
2026-01-14 2:01 ` Eric Dumazet
2026-01-14 2:30 ` Jakub Kicinski
2026-01-16 4:00 ` patchwork-bot+netdevbpf
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