Subject: Re: CONFIG_DEBUG_PAGEALLOC generates WARN_ON() in ppc32 hash

From: Benjamin Herrenschmidt <[email-masked]>
Date: Sun, 29 Mar 2009 08:25:04 +1100

> > Note that C_D_P doesn't work on hash32 anyway...
> 
> really, what mmu config does it work on ? just hash64?

Pretty much :-) It's implemented for hash32 but there are issues
with the BAT mapping that were never quite resolved.

Cheers,
Ben.