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Date:   Fri, 29 May 2020 16:57:47 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     liuhangbin@...il.com
Cc:     netdev@...r.kernel.org, jiji@...hat.com
Subject: Re: [PATCH net] neigh: fix ARP retransmit timer guard

From: Hangbin Liu <liuhangbin@...il.com>
Date: Thu, 28 May 2020 15:15:13 +0800

> In commit 19e16d220f0a ("neigh: support smaller retrans_time settting")
> we add more accurate control for ARP and NS. But for ARP I forgot to
> update the latest guard in neigh_timer_handler(), then the next
> retransmit would be reset to jiffies + HZ/2 if we set the retrans_time
> less than 500ms. Fix it by setting the time_before() check to HZ/100.
> 
> IPv6 does not have this issue.
> 
> Reported-by: Jianwen Ji <jiji@...hat.com>
> Fixes: 19e16d220f0a ("neigh: support smaller retrans_time settting")
> Signed-off-by: Hangbin Liu <liuhangbin@...il.com>

Applied, thank you.

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