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authorThomas Gleixner <tglx@linutronix.de>2020-06-11 16:17:57 +0300
committerThomas Gleixner <tglx@linutronix.de>2020-06-11 16:17:57 +0300
commitf77d26a9fc525286bcef3d4f98b52e17482cf49c (patch)
tree6b179c9aa84787773cb601a14a64255e2912154b /net/ipv4/tcp_timer.c
parentb6bea24d41519e8c31e4798f1c1a3f67e540c5d0 (diff)
parentf0178fc01fe46bab6a95415f5647d1a74efcad1b (diff)
downloadlinux-f77d26a9fc525286bcef3d4f98b52e17482cf49c.tar.xz
Merge branch 'x86/entry' into ras/core
to fixup conflicts in arch/x86/kernel/cpu/mce/core.c so MCE specific follow up patches can be applied without creating a horrible merge conflict afterwards.
Diffstat (limited to 'net/ipv4/tcp_timer.c')
-rw-r--r--net/ipv4/tcp_timer.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index c3f26dcd6704..ada046f425d2 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -753,8 +753,14 @@ static enum hrtimer_restart tcp_compressed_ack_kick(struct hrtimer *timer)
bh_lock_sock(sk);
if (!sock_owned_by_user(sk)) {
- if (tp->compressed_ack > TCP_FASTRETRANS_THRESH)
+ if (tp->compressed_ack) {
+ /* Since we have to send one ack finally,
+ * substract one from tp->compressed_ack to keep
+ * LINUX_MIB_TCPACKCOMPRESSED accurate.
+ */
+ tp->compressed_ack--;
tcp_send_ack(sk);
+ }
} else {
if (!test_and_set_bit(TCP_DELACK_TIMER_DEFERRED,
&sk->sk_tsq_flags))