netdev - Re: [PATCH] udp: extend hash tables to 256 slots

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Message-Id: <20091006.222935.231081303.davem@davemloft.net>
Date:	Tue, 06 Oct 2009 22:29:35 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	rick.jones2@...com, netdev@...r.kernel.org
Subject: Re: [PATCH] udp: extend hash tables to 256 slots

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 07 Oct 2009 06:43:31 +0200

> David, I believe UDP_HTABLE_SIZE never changed from its initial value of 128,
> defined 15 years ago. Could we bump it to 256 ?
> 
> (back in 1995, SOCK_ARRAY_SIZE was 256)
> 
> (I'll probably use 1024 value for my tests)

That's incredible that it's been that low for so long :-)

Bug please, dynamically size this thing, maybe with a cap of say 64K
to start with.  If you don't have time for it I'll take care of this.
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