diff --git a/[refs] b/[refs]
index a9d35fb74ca9..0a57710abb69 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 29d0a309d11bac9e57af914d0d6a35cde0080861
+refs/heads/master: c79e3357166a2ca39fd7613b0eb7f493c1ac5e11
diff --git a/trunk/include/linux/tcp.h b/trunk/include/linux/tcp.h
index f8cf090e8f49..9ff456e8d6c7 100644
--- a/trunk/include/linux/tcp.h
+++ b/trunk/include/linux/tcp.h
@@ -343,7 +343,8 @@ struct tcp_sock {
 	struct sk_buff *forward_skb_hint;
 	struct sk_buff *fastpath_skb_hint;
 
-	int     fastpath_cnt_hint;
+	int     fastpath_cnt_hint;	/* Lags behind by current skb's pcount
+					 * compared to respective fackets_out */
 	int     lost_cnt_hint;
 	int     retransmit_cnt_hint;