netdev - Re: [PATCH net-next 2/3] ipv4: rate limit updating of next hop exceptions with same pmtu

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Date:	Mon, 03 Jun 2013 00:10:02 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	timo.teras@....fi
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next 2/3] ipv4: rate limit updating of next hop
 exceptions with same pmtu

From: Timo Teräs <timo.teras@....fi>
Date: Tue, 28 May 2013 09:46:32 +0300

> The tunnel devices call update_pmtu for each packet sent, this causes
> contention on the fnhe_lock. Ignore the pmtu update if pmtu is not
> actually changed, and there is still plenty of time before the entry
> expires.
> 
> Signed-off-by: Timo Teräs <timo.teras@....fi>

Applied.
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