[TCP]: Comment fastpath_cnt_hint off-by-one trap
authorIlpo Järvinen <ilpo.jarvinen@helsinki.fi>
Mon, 8 Oct 2007 06:37:25 +0000 (23:37 -0700)
committerDavid 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

index f8cf090e8f4924c2d683879fe12164522dbda3f4..9ff456e8d6c7f0d8bd6dfbdfdadba9f8279490b6 100644 (file)
@@ -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;