diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index e47503b4e4d1..9b8ab971ad93 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -159,6 +159,7 @@ struct netns_ipv4 {
 	int sysctl_tcp_invalid_ratelimit;
 	int sysctl_tcp_pacing_ss_ratio;
 	int sysctl_tcp_pacing_ca_ratio;
+	int sysctl_tcp_default_init_rwnd;
 	int sysctl_tcp_wmem[3];
 	int sysctl_tcp_rmem[3];
 	int sysctl_tcp_comp_sack_nr;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 87ed93f14c52..770917d0caa7 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -248,8 +248,6 @@ extern long sysctl_tcp_mem[3];
 #define TCP_RACK_STATIC_REO_WND  0x2 /* Use static RACK reo wnd */
 #define TCP_RACK_NO_DUPTHRESH    0x4 /* Do not use DUPACK threshold in RACK */
 
-extern int sysctl_tcp_default_init_rwnd;
-
 extern atomic_long_t tcp_memory_allocated;
 extern struct percpu_counter tcp_sockets_allocated;
 extern unsigned long tcp_memory_pressure;
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 37b666298b46..afeb14041a24 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -540,13 +540,6 @@ static struct ctl_table ipv4_table[] = {
 		.mode		= 0444,
 		.proc_handler   = proc_tcp_available_ulp,
 	},
-	{
-		.procname       = "tcp_default_init_rwnd",
-		.data           = &sysctl_tcp_default_init_rwnd,
-		.maxlen         = sizeof(int),
-		.mode           = 0644,
-		.proc_handler   = proc_tcp_default_init_rwnd
-	},
 	{
 		.procname	= "icmp_msgs_per_sec",
 		.data		= &sysctl_icmp_msgs_per_sec,
@@ -1196,6 +1189,13 @@ static struct ctl_table ipv4_net_table[] = {
 		.extra1		= &zero,
 		.extra2		= &thousand,
 	},
+	{
+		.procname       = "tcp_default_init_rwnd",
+		.data           = &init_net.ipv4.sysctl_tcp_default_init_rwnd,
+		.maxlen         = sizeof(int),
+		.mode           = 0644,
+		.proc_handler   = proc_tcp_default_init_rwnd
+	},
 	{
 		.procname	= "tcp_wmem",
 		.data		= &init_net.ipv4.sysctl_tcp_wmem,
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index d30785ff37e9..4c2dd9f863f7 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -81,7 +81,6 @@
 #include <net/busy_poll.h>
 
 int sysctl_tcp_max_orphans __read_mostly = NR_FILE;
-int sysctl_tcp_default_init_rwnd __read_mostly = TCP_INIT_CWND * 2;
 
 #define FLAG_DATA		0x01 /* Incoming frame contained data.		*/
 #define FLAG_WIN_UPDATE		0x02 /* Incoming ACK was a window update.	*/
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 9e041fa5c545..e69ae72b3d11 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2575,6 +2575,7 @@ static int __net_init tcp_sk_init(struct net *net)
 	net->ipv4.sysctl_tcp_invalid_ratelimit = HZ/2;
 	net->ipv4.sysctl_tcp_pacing_ss_ratio = 200;
 	net->ipv4.sysctl_tcp_pacing_ca_ratio = 120;
+	net->ipv4.sysctl_tcp_default_init_rwnd = TCP_INIT_CWND * 2;
 	if (net != &init_net) {
 		memcpy(net->ipv4.sysctl_tcp_rmem,
 		       init_net.ipv4.sysctl_tcp_rmem,