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-rw-r--r--include/linux/tcp.h3
-rw-r--r--include/net/tcp.h5
2 files changed, 5 insertions, 3 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 115389e9b945..b6c62d294380 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -412,7 +412,8 @@ struct tcp_sock {
struct tcp_sack_block recv_sack_cache[4];
- struct sk_buff *highest_sack; /* highest skb with SACK received
+ struct sk_buff *highest_sack; /* skb just after the highest
+ * skb with SACKed bit set
* (validity guaranteed only if
* sacked_out > 0)
*/
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 6b2acfce4cfd..8607e6aad42b 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1362,8 +1362,9 @@ static inline void tcp_push_pending_frames(struct sock *sk)
}
}
-/* Start sequence of the highest skb with SACKed bit, valid only if
- * sacked > 0 or when the caller has ensured validity by itself.
+/* Start sequence of the skb just after the highest skb with SACKed
+ * bit, valid only if sacked_out > 0 or when the caller has ensured
+ * validity by itself.
*/
static inline u32 tcp_highest_sack_seq(struct tcp_sock *tp)
{