From c79e3357166a2ca39fd7613b0eb7f493c1ac5e11 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= <ilpo.jarvinen@helsinki.fi>
Date: Sun, 7 Oct 2007 23:37:25 -0700
Subject: [PATCH] [TCP]: Comment fastpath_cnt_hint off-by-one trap
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Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/linux/tcp.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
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;
--
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