netdev - Re: [net-next PATCH V2 3/9] net: frag, move LRU list maintenance outside of rwlock

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Message-Id: <20121129.133644.1495776898566315155.davem@davemloft.net>
Date:	Thu, 29 Nov 2012 13:36:44 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	brouer@...hat.com, fw@...len.de, netdev@...r.kernel.org,
	pablo@...filter.org, tgraf@...g.ch, amwang@...hat.com,
	kaber@...sh.net, paulmck@...ux.vnet.ibm.com,
	herbert@...dor.hengli.com.au
Subject: Re: [net-next PATCH V2 3/9] net: frag, move LRU list maintenance
 outside of rwlock

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Thu, 29 Nov 2012 10:33:13 -0800

> On Thu, 2012-11-29 at 13:31 -0500, David Miller wrote:
> 
>> I think a per-cpu hash might make more sense.
>> 
>> This would scale our limits to the size of the system.
>> 
>> I'm willing to be convinced otherwise, but it seems the most
>> sensible thing to do.
> 
> It would break in many cases, when frags are spreaded on different cpus.

Indeed, ignore my stupid idea.
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