From: Patrick Ohly <patrick.ohly@intel.com>
Date: Mon, 26 Jan 2009 21:39:52 +0100

quoted text
> On Mon, 2009-01-26 at 07:04 +0200, David Miller wrote:
> > Just consolidate the array into a direct conversion table.  You only
> > have 2 bits defined so you only need an array of 4 entries.  Pass the
> > optional flag bits directly in as the index of that table.
> 
> How can I get some code executed during the initialization of the IP
> stack which initializes the table, before any sk_buff gets allocated?
> 
> The content is constant, but writing it down as static initializers
> using just preprocessor macros would be difficult and/or ugly - that's
> why I haven't done it already.

It's 4 entries... really.  You can initialize them simply, perhaps
with some fancy macro used by the initializers.
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