[PATCH] powerpc: add support for folded p4d page tables

[Matthew Wilcox]

On Mon, Dec 09, 2019 at 06:46:36PM +0100, Christophe Leroy wrote:
> 
> 
> Le 09/12/2019 à 16:09, Mike Rapoport a écrit :
> > From: Mike Rapoport <rppt at linux.ibm.com>
> > 
> > Implement primitives necessary for the 4th level folding, add walks of p4d
> > level where appropriate and replace 5level-fixup.h with pgtable-nop4d.h.
> > 
> > Signed-off-by: Mike Rapoport <rppt at linux.ibm.com>
> 
> Tested on 8xx and 83xx, no problem observed (ie book3s/32 and nohash/32)
> 
> Tested-by: Christophe Leroy <christophe.leroy at c-s.fr>
> 
> Christophe

Did you add anything else to the next 1100 lines that you didn't bother
to snip?  I can't be arsed to scroll through them all looking.