[PPC64] pgtable.h and other header cleanups

[David Gibson]

On Tue, May 03, 2005 at 10:26:08AM +1000, David Gibson wrote:
> Andrew, please apply.
> 
> This patch started as simply removing a few never-used macros from
> asm-ppc64/pgtable.h, then kind of grew.  It now makes a bunch of
> cleanups to the ppc64 low-level header files (with corresponding
> changes to .c files where necessary) such as:
> 	- Abolishing never-used macros
> 	- Eliminating multiple #defines with the same purpose
> 	- Removing pointless macros (cases where just expanding the
> macro everywhere turns out clearer and more sensible)
> 	- Removing some cases where macros which could be defined in
> terms of each other weren't
> 	- Moving imalloc() related definitions from pgtable.h to their
> own header file (imalloc.h)
> 	- Re-arranging headers to group things more logically
> 	- Moving all VSID allocation related things to mmu.h, instead
> of being split between mmu.h and mmu_context.h
> 	- Removing some reserved space for flags from the PMD - we're
> not using it.

Aargh!  Don't apply, patch is broken (missing imalloc.h).  Grr... I
could have sworn I'd quilt added it.  Fixed version coming shortly.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/people/dgibson