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Message-ID: <CACSApvanQJdQhXqg_35NmbtvJuWAyCiXU8PcNiot1GWeMEQKow@mail.gmail.com>
Date:   Wed, 17 May 2017 09:47:03 -0400
From:   Soheil Hassas Yeganeh <soheil@...gle.com>
To:     Eric Dumazet <edumazet@...gle.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Neal Cardwell <ncardwell@...gle.com>,
        Yuchung Cheng <ycheng@...gle.com>,
        Wei Wang <weiwan@...gle.com>, netdev <netdev@...r.kernel.org>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: [PATCH net-next 11/15] tcp: use tcp_jiffies32 in __tcp_oow_rate_limited()

On Tue, May 16, 2017 at 5:00 PM, Eric Dumazet <edumazet@...gle.com> wrote:
> This place wants to use tcp_jiffies32, this is good enough.
>
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Acked-by: Soheil Hassas Yeganeh <soheil@...gle.com>

> ---
>  net/ipv4/tcp_input.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
> index eeb4967df25a8dc35128d0a0848b5ae7ee6d63e3..85575888365a10643e096f9e019adaa3eda87d40 100644
> --- a/net/ipv4/tcp_input.c
> +++ b/net/ipv4/tcp_input.c
> @@ -3390,7 +3390,7 @@ static bool __tcp_oow_rate_limited(struct net *net, int mib_idx,
>                                    u32 *last_oow_ack_time)
>  {
>         if (*last_oow_ack_time) {
> -               s32 elapsed = (s32)(tcp_time_stamp - *last_oow_ack_time);
> +               s32 elapsed = (s32)(tcp_jiffies32 - *last_oow_ack_time);
>
>                 if (0 <= elapsed && elapsed < sysctl_tcp_invalid_ratelimit) {
>                         NET_INC_STATS(net, mib_idx);
> @@ -3398,7 +3398,7 @@ static bool __tcp_oow_rate_limited(struct net *net, int mib_idx,
>                 }
>         }
>
> -       *last_oow_ack_time = tcp_time_stamp;
> +       *last_oow_ack_time = tcp_jiffies32;
>
>         return false;   /* not rate-limited: go ahead, send dupack now! */
>  }
> --
> 2.13.0.303.g4ebf302169-goog
>

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