diff options
| author | Eric Dumazet <edumazet@google.com> | 2026-01-27 06:21:47 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-01-29 06:31:51 +0300 |
| commit | d5fb143dbe8d3050c9abcd390d65928e2a3e646e (patch) | |
| tree | 8f3a5edf410b972bd49b4d8da765cbbc328c1fb1 /include | |
| parent | 629a68865abb40c120e3f6498b26a35c40590ea0 (diff) | |
| download | linux-d5fb143dbe8d3050c9abcd390d65928e2a3e646e.tar.xz | |
tcp: move tcp_rack_advance() to tcp_input.c
tcp_rack_advance() is called from tcp_ack() and tcp_sacktag_one().
Moving it to tcp_input.c allows the compiler to inline it and save
both space and cpu cycles in TCP fast path.
$ scripts/bloat-o-meter -t vmlinux.1 vmlinux.2
add/remove: 0/2 grow/shrink: 1/1 up/down: 98/-132 (-34)
Function old new delta
tcp_ack 5741 5839 +98
tcp_sacktag_one 407 395 -12
__pfx_tcp_rack_advance 16 - -16
tcp_rack_advance 104 - -104
Total: Before=22572680, After=22572646, chg -0.00%
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260127032147.3498272-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/tcp.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index a4d9f263ea68..f1cf9e6730c8 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -2514,8 +2514,6 @@ void tcp_newreno_mark_lost(struct sock *sk, bool snd_una_advanced); extern s32 tcp_rack_skb_timeout(struct tcp_sock *tp, struct sk_buff *skb, u32 reo_wnd); extern bool tcp_rack_mark_lost(struct sock *sk); -extern void tcp_rack_advance(struct tcp_sock *tp, u8 sacked, u32 end_seq, - u64 xmit_time); extern void tcp_rack_reo_timeout(struct sock *sk); /* tcp_plb.c */ |