netdev - Re: [PATCH 36/38] netfilter: connlimit: use keyed locks

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Message-ID: <1395151298.9114.33.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Tue, 18 Mar 2014 07:01:38 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Jesper Dangaard Brouer <brouer@...hat.com>
Cc:	Pablo Neira Ayuso <pablo@...filter.org>,
	netfilter-devel@...r.kernel.org, davem@...emloft.net,
	netdev@...r.kernel.org
Subject: Re: [PATCH 36/38] netfilter: connlimit: use keyed locks

On Tue, 2014-03-18 at 14:46 +0100, Jesper Dangaard Brouer wrote:

> Hehe, I actually also pointed this out during my internal review, but
> we never gotten around to fixing this.

BTW, sizeof(spinlock_t) can be 2 bytes, if NR_CPUS is below 128 on x86

So whole hash table fits in a single cache line.


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