ppc64 oops..

[Benjamin Herrenschmidt]

> I'd love to, but then it never boots at all, and stops after "Setup done".
> 
> I'll now try with "flatmem", although on powerpc, sparsemem seems to be 
> the default, and I bet that's the cause: 
> 
> 	config ARCH_SPARSEMEM_DEFAULT
> 	        def_bool y
> 	        depends on SMP && PPC_PSERIES
> 
> just because I had PSERIES enabled (which is _also_ the default).
> 
> So nobody has clearly ever tested either NUMA nor SPARSEMEM, yet they are 
> both enabled by default. Tssk.

Heh, I use the g5_defconfig on G5s which doesn't have any of these...
NUMA and SPARSEMEM hopefully work on pseries, but yah, there have been
some recent breakage that we'll fix, it should be made to work on g5 too
of course.

Ben.