[PATCH] powerpc/mm: add ZONE_NORMAL zone for 64 bit kernel

[Tabi Timur-B04825]

Benjamin Herrenschmidt wrote:
> Sure but I don't want to create the zones in the first place (and thus
> introduce the added pressure on the memory management) on machines that
> don't need it.

One thing that does confuse me -- by default, we don't create a 
ZONE_NORMAL.  We only create a ZONE_DMA.  Why is that?  Shouldn't it be 
the other way around?

-- 
Timur Tabi
Linux kernel developer at Freescale