[PATCH 2/2] powerpc/mm: Increase MAX_PHYSMEM_BITS to 128TB with SPARSEMEM_VMEMMAP config

[Balbir Singh]

On Thu, Jun 21, 2018 at 6:31 PM, Aneesh Kumar K.V
<aneesh.kumar at linux.ibm.com> wrote:
>
> We do this only with VMEMMAP config so that our page_to_[nid/section] etc are not
> impacted.
>
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.ibm.com>

Why 128TB, given that it's sparse_vmemmap_extreme by default, why not
1PB directly (50 bits)?

Balbir Singh