Reserved pages in PowerPC

[Benjamin Herrenschmidt]

On Thu, 2010-09-16 at 17:38 +0530, Ankita Garg wrote:
> Thanks Ben for taking a look at this. So I checked the rtas messages
> on
> the serial console and see the following:
> 
> instantiating rtas at 0x000000000f632000... done
> 
> Which does not correspond to the higher addresses that I see as
> reserved
> (observation on a 16G machine). 

Well, I'd suggest you audit prom_init.c which builds the reserve map,
and the various memblock_reserve() calls in prom.c

Cheers,
Ben.