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309dd99421
tcp_check_space() is fat and not inlined. Move its slow path in (out of line) __tcp_check_space() and make tcp_check_space() an inline function for better TCP performance. $ scripts/bloat-o-meter -t vmlinux.old vmlinux.new add/remove: 2/2 grow/shrink: 4/0 up/down: 708/-582 (126) Function old new delta __tcp_check_space - 521 +521 tcp_rcv_established 1860 1916 +56 tcp_rcv_state_process 3342 3384 +42 tcp_event_new_data_sent 248 286 +38 tcp_data_snd_check 71 106 +35 __pfx___tcp_check_space - 16 +16 __pfx_tcp_check_space 16 - -16 tcp_check_space 566 - -566 Total: Before=24896373, After=24896499, chg +0.00% Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com> Link: https://patch.msgid.link/20260203050932.3522221-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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