[v2] powerpc: Make sparsemem the default on 64-bit Book3S

[Michael Ellerman]

On Wed, 2017-04-05 at 06:10:48 UTC, Michael Ellerman wrote:
> Make sparsemem the default on all 64-bit Book3S platforms. It already is
> for pseries and ps3, and we need to enable it for powernv because on
> POWER9 memory between chips is discontiguous.
> 
> For the other platforms sparsemem should work fine, though it might add
> a small amount of overhead. We can always force FLATMEM in the
> defconfigs if necessary.
> 
> Signed-off-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
> Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>

Applied to powerpc next.

https://git.kernel.org/powerpc/c/7b3912f4223541c5108565d4bad289

cheers