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[TCP]: Comment fastpath_cnt_hint off-by-one trap
author
Ilpo Järvinen
<ilpo.jarvinen@helsinki.fi>
Mon, 8 Oct 2007 06:37:25 +0000
(23:37 -0700)
committer
David S. Miller
<davem@sunset.davemloft.net>
Wed, 10 Oct 2007 23:54:47 +0000
(16:54 -0700)
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/tcp.h
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diff --git
a/include/linux/tcp.h
b/include/linux/tcp.h
index
f8cf090
..
9ff456e
100644
(file)
--- 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;