tcp: use tcp_jiffies32 to feed tp->lsndtime

Use tcp_jiffies32 instead of tcp_time_stamp to feed
tp->lsndtime.

tcp_time_stamp will soon be a litle bit more expensive
than simply reading 'jiffies'.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 4c8a6eaba6b3..be9f8f483e21 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -160,7 +160,7 @@ static void tcp_event_data_sent(struct tcp_sock *tp,
                                 struct sock *sk)
 {
         struct inet_connection_sock *icsk = inet_csk(sk);
-        const u32 now = tcp_time_stamp;
+        const u32 now = tcp_jiffies32;
 
         if (tcp_packets_in_flight(tp) == 0)
                 tcp_ca_event(sk, CA_EVENT_TX_START);
@@ -1918,7 +1918,7 @@ static bool tcp_tso_should_defer(struct sock *sk, struct sk_buff *skb,
         /* Avoid bursty behavior by allowing defer
          * only if the last write was recent.
          */
-        if ((s32)(tcp_time_stamp - tp->lsndtime) > 0)
+        if ((s32)(tcp_jiffies32 - tp->lsndtime) > 0)
                 goto send_now;
 
         in_flight = tcp_packets_in_flight(tp);