From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH 1/2] remove rcu_assign_pointer(NULL) penalty with
 type/macro safety
Date: Wed, 13 Feb 2008 15:57:38 -0800 (PST)
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From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 13 Feb 2008 15:52:45 -0800

> On Wed, 13 Feb 2008 15:37:44 -0800
> "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:
> 
> > Ah.  It does take a bit to get fib_trie into one's build -- allyesconfig
> > doesn't cut it.
> 
> This is not good.  The sole purpose of allmodconfig and allyesconfig is for
> compilation and linkage coverage testing.  Hence we should aim to get as
> much code as possible included in those cases.

Well, in this case there is a choice, either you use one routing
lookup datastructure or the other.  It's not purposefully being hidden
from the everything builds :-)