Re: [PATCH net-next 2/3] tcp: move tcp_rack_update_reo_wnd() to tcp_input.c
From: Kuniyuki Iwashima <kuniyu@google.com>
Date: 2026-01-27 03:28:29
On Mon, Jan 26, 2026 at 7:21 PM Eric Dumazet [off-list ref] wrote:
tcp_rack_update_reo_wnd() is called only once from tcp_ack() Move it to tcp_input.c so that it can be inlined by the compiler to save space and cpu cycles. $ scripts/bloat-o-meter -t vmlinux.old vmlinux.new add/remove: 0/2 grow/shrink: 1/0 up/down: 110/-153 (-43) Function old new delta tcp_ack 5631 5741 +110 __pfx_tcp_rack_update_reo_wnd 16 - -16 tcp_rack_update_reo_wnd 137 - -137 Total: Before=22572723, After=22572680, chg -0.00% Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>