[PATCH 5/6] mm, x86: Add ARCH_HAS_ZONE_DEVICE

[Ingo Molnar]

* Oliver O'Halloran <oohall at gmail.com> wrote:

> Currently ZONE_DEVICE depends on X86_64. This is fine for now, but it
> will get unwieldly as new platforms get ZONE_DEVICE support. Moving it
> to an arch selected Kconfig option to save us some trouble in the
> future.
> 
> Cc: x86 at kernel.org
> Signed-off-by: Oliver O'Halloran <oohall at gmail.com>

Acked-by: Ingo Molnar <mingo at kernel.org>

Thanks,

	Ingo