netdev - Re: [PATCH net-next] tcp: reduce tcp sockets size by one cache line

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Message-Id: 
 <176982361785.3959411.148911131468285979.git-patchwork-notify@kernel.org>
Date: Sat, 31 Jan 2026 01:40:17 +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,
 ncardwell@...gle.com, kuniyu@...gle.com, netdev@...r.kernel.org,
 eric.dumazet@...il.com
Subject: Re: [PATCH net-next] tcp: reduce tcp sockets size by one cache line

Hello:

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

On Thu, 29 Jan 2026 15:34:58 +0000 you wrote:
> By default, when a kmem_cache is created with SLAB_TYPESAFE_BY_RCU,
> slub has to use extra storage for the freelist pointer after each
> object, because slub assumes that any bit in the object
> can be used by RCU readers.
> 
> Because proto_register() is also using SLAB_HWCACHE_ALIGN,
> this forces slub to use one extra cache line per object.
> 
> [...]

Here is the summary with links:
  - [net-next] tcp: reduce tcp sockets size by one cache line
    https://git.kernel.org/netdev/net-next/c/ed9b70040d7b

You are awesome, thank you!
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