powerpc/mm: Correct process and partition table max size

[Michael Ellerman]

On Wed, 2016-09-11 at 05:36:33 UTC, Suraj Jitindar Singh wrote:
> Version 3.00 of the ISA states that the PATS (partition table size) field
> of the PTCR (partition table control register) and the PRTS (process table
> size) field of the partition table entry must both be less than or equal
> to 24. However the actual size of the partition and process tables is equal
> to 2 to the power of 12 plus the PATS and PRTS fields, respectively. This
> means that the max allowable size of each of these tables is 2^36 or 64GB
> for both.
> 
> Thus when checking the size shift for each we should be checking for values
> of greater than 36 instead of the current check for shifts larger than 24
> and 23.
> 
> Fixes: 2bfd65e45e877fb5704730244da67c748d28a1b8
> Signed-off-by: Suraj Jitindar Singh <sjitindarsingh at gmail.com>
> Reviewed-by: Balbir Singh <bsingharora at gmail.com>
> Reviewed-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/555c16328ae6d75a90e234eac9b519

cheers