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-rw-r--r--include/linux/tcp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 848f5b25e178..8ed77bb4ed86 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -249,6 +249,7 @@ struct tcp_sock {
u32 tlp_high_seq; /* snd_nxt at the time of TLP retransmit. */
u64 tcp_wstamp_ns; /* departure time for next sent data packet */
+ u64 tcp_clock_cache; /* cache last tcp_clock_ns() (see tcp_mstamp_refresh()) */
/* RTT measurement */
u64 tcp_mstamp; /* most recent packet received/sent */