From: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Date: Mon, 8 Oct 2007 06:37:25 +0000 (-0700)
Subject: [TCP]: Comment fastpath_cnt_hint off-by-one trap
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c79e3357166a2ca39fd7613b0eb7f493c1ac5e11;p=linux-beck.git

[TCP]: Comment fastpath_cnt_hint off-by-one trap

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index f8cf090e8f49..9ff456e8d6c7 100644
--- a/include/linux/tcp.h
+++ b/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;