From: Eric Dumazet <eric.duma...@gmail.com>
Date: Wed, 06 Dec 2017 11:08:19 -0800
> From: Eric Dumazet <eduma...@google.com>
>
> When I switched rcv_rtt_est to high resolution timestamps, I forgot
> that tp->tcp_mstamp needed to be refreshed in tcp_rcv_space_adjust()
>
> Using an old timestamp leads to autotuning lags.
>
> Fixes: 645f4c6f2ebd ("tcp: switch rcv_rtt_est and rcvq_space to high
> resolution timestamps")
> Signed-off-by: Eric Dumazet <eduma...@google.com>
Applied and queued up for -stable, thanks Eric.
