diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index 2bae61be1859..f4ad739a6b53 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -875,8 +875,9 @@ tcp_comp_sack_slack_ns - LONG INTEGER
 	timer used by SACK compression. This gives extra time
 	for small RTT flows, and reduces system overhead by allowing
 	opportunistic reduction of timer interrupts.
+	Too big values might reduce goodput.
 
-	Default : 100,000 ns (100 us)
+	Default : 10,000 ns (10 us)
 
 tcp_comp_sack_nr - INTEGER
 	Max number of SACK that can be compressed.
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index a7d9fec2950b..6fcaecb67284 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -3593,7 +3593,7 @@ static int __net_init tcp_sk_init(struct net *net)
 		       sizeof(init_net.ipv4.sysctl_tcp_wmem));
 	}
 	net->ipv4.sysctl_tcp_comp_sack_delay_ns = NSEC_PER_MSEC;
-	net->ipv4.sysctl_tcp_comp_sack_slack_ns = 100 * NSEC_PER_USEC;
+	net->ipv4.sysctl_tcp_comp_sack_slack_ns = 10 * NSEC_PER_USEC;
 	net->ipv4.sysctl_tcp_comp_sack_nr = 44;
 	net->ipv4.sysctl_tcp_comp_sack_rtt_percent = 33;
 	net->ipv4.sysctl_tcp_backlog_ack_defer = 1;