netdev - [PATCH net-next 0/3] tcp: rework tcp_v{4,6}_send

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Message-ID: <20260203144053.83193-1-edumazet@google.com>
Date: Tue,  3 Feb 2026 14:40:50 +0000
From: Eric Dumazet <edumazet@...gle.com>
To: "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, 
	Paolo Abeni <pabeni@...hat.com>
Cc: Simon Horman <horms@...nel.org>, Neal Cardwell <ncardwell@...gle.com>, 
	Kuniyuki Iwashima <kuniyu@...gle.com>, netdev@...r.kernel.org, eric.dumazet@...il.com, 
	Eric Dumazet <edumazet@...gle.com>
Subject: [PATCH net-next 0/3] tcp: rework tcp_v{4,6}_send_check()

tcp_v{4,6}_send_check() are only called from __tcp_transmit_skb()

They currently are in different files (tcp_ipv4.c and tcp_ipv6.c)
thus out of line.

This series move them close to their caller so that compiler
can inline them.

We save ~200 bytes of text with this series.

Eric Dumazet (3):
  tcp: inline __tcp_v4_send_check()
  tcp: move tcp_v6_send_check() to tcp_output.c
  tcp: make tcp_v{4,6}_send_check() static

 include/net/inet_connection_sock.h |  3 +--
 include/net/tcp.h                  | 12 +++++++++---
 net/ipv4/tcp_ipv4.c                | 19 -------------------
 net/ipv4/tcp_output.c              | 28 ++++++++++++++++++++++++----
 net/ipv6/tcp_ipv6.c                |  7 -------
 net/mptcp/subflow.c                |  1 -
 net/tls/tls_device_fallback.c      |  3 ---
 7 files changed, 34 insertions(+), 39 deletions(-)

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2.53.0.rc1.225.gd81095ad13-goog