netdev - [PATCH 2/3] [TCP]: Comment fastpath_cnt

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Message-Id: <11914092181600-git-send-email-ilpo.jarvinen@helsinki.fi>
Date:	Wed,  3 Oct 2007 14:00:17 +0300
From:	"Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
To:	David Miller <davem@...emloft.net>,
	Cedric Le Goater <legoater@...e.fr>
Cc:	netdev@...r.kernel.org
Subject: [PATCH 2/3] [TCP]: Comment fastpath_cnt_hint off-by-one trap

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>
---
 include/linux/tcp.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index f8cf090..9ff456e 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;
 
-- 
1.5.0.6

-
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