netdev - Re: [PATCH net-next] net: fclone allocation small optimization

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Message-Id: 
 <176896323784.699622.137012293284778508.git-patchwork-notify@kernel.org>
Date: Wed, 21 Jan 2026 02:40:37 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Eric Dumazet <edumazet@...gle.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
 netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH net-next] net: fclone allocation small optimization

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Fri, 16 Jan 2026 16:44:02 +0000 you wrote:
> After skb allocation, initial skb->fclone value is 0 (SKB_FCLONE_UNAVAILABLE)
> 
> We can replace one RMW sequence with a single OR instruction.
> 
> 	movzbl 0x7e(%r13),%eax // skb->fclone = SKB_FCLONE_ORIG;
> 	and    $0xf3,%al
> 	or     $0x4,%al
> 	mov    %al,0x7e(%r13)
> ->
> 	or     $0x4,0x7e(%r13) // skb->fclone |= SKB_FCLONE_ORIG;
> 
> [...]

Here is the summary with links:
  - [net-next] net: fclone allocation small optimization
    https://git.kernel.org/netdev/net-next/c/79bfa5fb8587

You are awesome, thank you!
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