From 2b63a96de52c55aaab8d9f4693c00527a2ddfbf7 Mon Sep 17 00:00:00 2001
From: xtaci <daniel820313@gmail.com>
Date: Thu, 3 Jan 2019 22:24:17 +0800
Subject: [PATCH] make parse_ack recycle data immediately

---
 kcp.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kcp.go b/kcp.go
index 23714cd9..4dbc4971 100644
--- a/kcp.go
+++ b/kcp.go
@@ -387,6 +387,7 @@ func (kcp *KCP) parse_ack(sn uint32) {
 		seg := &kcp.snd_buf[k]
 		if sn == seg.sn {
 			seg.acked = 1
+			kcp.delSegment(seg)
 			break
 		}
 		if _itimediff(sn, seg.sn) < 0 {