Re: [2/6] Cleanup management of kmem_caches for pagetables

On Tue, 2009-10-27 at 14:46 +1100, David Gibson wrote:

The trick is that allocating the PGD and PMD caches is supposed to
also create the PUD cache, because the PUD index size is always the
same as either the PGD or PUD cache.  If that's not true, we've broken
the assumptions the code is based on, hence BUG(). 

Ok, so maybe a little comment with the above explanation concerning
the PUD index size being the same as the PGD or PMD one would be
useful :-)

Cheers,
Ben.