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-rw-r--r--net/ipv4/sysctl_net_ipv4.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 886b58d31351..08a428a7b274 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -54,6 +54,8 @@ static int one_day_secs = 24 * 3600;
DEFINE_STATIC_KEY_FALSE(tcp_rx_skb_cache_key);
EXPORT_SYMBOL(tcp_rx_skb_cache_key);
+DEFINE_STATIC_KEY_FALSE(tcp_tx_skb_cache_key);
+
/* obsolete */
static int sysctl_tcp_low_latency __read_mostly;
@@ -568,6 +570,12 @@ static struct ctl_table ipv4_table[] = {
.mode = 0644,
.proc_handler = proc_do_static_key,
},
+ {
+ .procname = "tcp_tx_skb_cache",
+ .data = &tcp_tx_skb_cache_key.key,
+ .mode = 0644,
+ .proc_handler = proc_do_static_key,
+ },
{ }
};