netdev - [PATCH] tcp: remove obsolete paramter sysctl_tcp_low

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Date:   Fri, 18 Dec 2020 14:11:16 +0800
From:   lyl <liyonglong@...natelecom.cn>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, fw@...len.de, qitiepeng@...natelecom.cn,
        liyonglong@...natelecom.cn
Subject: [PATCH] tcp: remove obsolete paramter sysctl_tcp_low_latency

Remove tcp_low_latency, since it is not functional After commit
e7942d0633c4 (tcp: remove prequeue support)

Signed-off-by: lyl <liyonglong@...natelecom.cn>
---
 net/ipv4/sysctl_net_ipv4.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 3e5f4f2..d03e4c0 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -51,9 +51,6 @@
 static u32 u32_max_div_HZ = UINT_MAX / HZ;
 static int one_day_secs = 24 * 3600;
 
-/* obsolete */
-static int sysctl_tcp_low_latency __read_mostly;
-
 /* Update system visible IP port range */
 static void set_local_port_range(struct net *net, int range[2])
 {
@@ -501,13 +498,6 @@ static int proc_fib_multipath_hash_policy(struct ctl_table *table, int write,
 		.mode		= 0644,
 		.proc_handler	= proc_doulongvec_minmax,
 	},
-	{
-		.procname	= "tcp_low_latency",
-		.data		= &sysctl_tcp_low_latency,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec
-	},
 #ifdef CONFIG_NETLABEL
 	{
 		.procname	= "cipso_cache_enable",
-- 
1.8.3.1