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Date:	Wed, 11 Nov 2009 13:33:42 -0800
From:	Stephen Hemminger <>
To:	David Miller <>
Subject: Re: [PATCH] [next-next-2.6] net: configurable device name hash

On Wed, 11 Nov 2009 12:42:35 -0800 (PST)
David Miller <> wrote:

> From: Octavian Purdila <>
> Date: Wed, 11 Nov 2009 21:38:44 +0200
> > I don't think we can dynamically size it at boot time since it
> > depends on the usage pattern which is impossible to determine at
> > boot time, right?
> We have no idea how many sockets will be used by the system yet we
> dynamically size the socket hash tables.
> Please do some research and see how we handle this elsewhere in the
> networking.

dcache also sizes hash bits at boot time on available memory.
See alloc_large_system_hash().
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