tcp: move sk_forced_mem_schedule() to tcp.c

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TCP fast path can (auto)inline this helper, instead
of (auto)inling it from tcp_send_fin().

No change of overall code size, but tcp_sendmsg() is faster.

$ scripts/bloat-o-meter -t vmlinux.old vmlinux.new
add/remove: 0/0 grow/shrink: 1/1 up/down: 141/-140 (1)
Function                                     old     new   delta
tcp_stream_alloc_skb                         216     357    +141
tcp_send_fin                                 688     548    -140
Total: Before=22236729, After=22236730, chg +0.00%

BTW, we might change tcp_send_fin() to use tcp_stream_alloc_skb().

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Link: https://patch.msgid.link/20260123111605.4089200-1-edumazet@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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This commit is contained in:

Eric Dumazet 2026-01-23 11:16:05 +00:00 • committed by Paolo Abeni

parent 4778a04c15

commit a18056a6c1

2 changed files with 27 additions and 27 deletions

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27

net/ipv4/tcp.c

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27

net/ipv4/tcp_output.c

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