netdev - Re: [PATCH net-next] tcp: fastopen: limit max

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Message-Id: <20151022.062233.2239077872274900749.davem@davemloft.net>
Date:	Thu, 22 Oct 2015 06:22:33 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org, ycheng@...gle.com
Subject: Re: [PATCH net-next] tcp: fastopen: limit max_qlen

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Tue, 20 Oct 2015 13:17:40 -0700

> From: Eric Dumazet <edumazet@...gle.com>
> 
> Allowing an application to set whatever limit for
> the list of recently RST fastopen sessions [1] is not wise,
> as it open ways to deplete kernel memory.
> 
> Cap the user provided limit by somaxconn sysctl,
> like listen() backlog.
> 
> [1] https://tools.ietf.org/html/rfc7413#section-5.1
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied, thanks Eric.
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