[PATCH] powerpc/mm: fix a hardcode on memory boundary checking

[Anshuman Khandual]

On 01/12/2017 02:39 PM, Rui Teng wrote:
> The offset of hugepage block will not be 16G, if the expected
> page is more than one. Calculate the totol size instead of the
> hardcode value.
> 
> Signed-off-by: Rui Teng <rui.teng at linux.vnet.ibm.com>

I have a redundant patch, this one is the original.

Tested-by: Anshuman Khandual <khandual at linux.vnet.ibm.com>