netdev - Re: [PATCH net-next] tcp: move tcp_rbtree_insert() to tcp

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Message-Id: 
 <177026701208.165764.18371893962289031802.git-patchwork-notify@kernel.org>
Date: Thu, 05 Feb 2026 04:50:12 +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: move tcp_rbtree_insert() to tcp_output.c

Hello:

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

On Tue,  3 Feb 2026 04:51:10 +0000 you wrote:
> tcp_rbtree_insert() is primarily used from tcp_output.c
> In tcp_input.c, only (slow path) tcp_collapse() uses it.
> 
> Move it to tcp_output.c to allow its (auto)inlining to improve
> TCP tx fast path.
> 
> $ scripts/bloat-o-meter -t vmlinux.old vmlinux.new
> add/remove: 0/0 grow/shrink: 4/1 up/down: 445/-115 (330)
> Function                                     old     new   delta
> tcp_connect                                 4277    4478    +201
> tcp_event_new_data_sent                      162     248     +86
> tcp_send_synack                              780     862     +82
> tcp_fragment                                1185    1261     +76
> tcp_collapse                                1524    1409    -115
> Total: Before=24896043, After=24896373, chg +0.00%
> 
> [...]

Here is the summary with links:
  - [net-next] tcp: move tcp_rbtree_insert() to tcp_output.c
    https://git.kernel.org/netdev/net-next/c/7c1db78ff75f

You are awesome, thank you!
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