powerpc/mm/4k: Limit 4k page size config to 64TB virtual address space

[Michael Ellerman]

On Thu, 2017-06-01 at 14:35:04 UTC, "Aneesh Kumar K.V" wrote:
> Supporting 512TB requires us to do a order 3 allocation for level 1 page
> table(pgd). This results in page allocation failures with certain workloads.
> For now limit 4k linux page size config to 64TB.
> 
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>

Applied to powerpc fixes, thanks.

https://git.kernel.org/powerpc/c/92d9dfda8b547cc292af27e11e11c9

cheers