netdev - [PATCH net-next] tcp: remove unused TCP_SYNQ

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Date: Thu, 25 May 2023 10:57:36 -0400
From: Neal Cardwell <ncardwell.sw@...il.com>
To: David Miller <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>
Cc: netdev@...r.kernel.org,
	Neal Cardwell <ncardwell@...gle.com>
Subject: [PATCH net-next] tcp: remove unused TCP_SYNQ_INTERVAL definition

From: Neal Cardwell <ncardwell@...gle.com>

Currently TCP_SYNQ_INTERVAL is defined but never used.

According to "git log -S TCP_SYNQ_INTERVAL net-next/main" it seems
the last references to TCP_SYNQ_INTERVAL were removed by 2015
commit fa76ce7328b2 ("inet: get rid of central tcp/dccp listener timer")

Signed-off-by: Neal Cardwell <ncardwell@...gle.com>
---
 include/net/tcp.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 02a6cff1827e..8123de1e0db9 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -161,8 +161,6 @@ void tcp_time_wait(struct sock *sk, int state, int timeo);
 #define MAX_TCP_KEEPCNT		127
 #define MAX_TCP_SYNCNT		127
 
-#define TCP_SYNQ_INTERVAL	(HZ/5)	/* Period of SYNACK timer */
-
 #define TCP_PAWS_24DAYS	(60 * 60 * 24 * 24)
 #define TCP_PAWS_MSL	60		/* Per-host timestamps are invalidated
 					 * after this time. It should be equal
-- 
2.40.1.698.g37aff9b760-goog