[PATCH] powerpc/mm: Fix infinite loop in hash fault with 4K page size

[Anshuman Khandual]

On 11/28/2015 10:39 PM, Aneesh Kumar K.V wrote:
> This is the same bug we fixed as part of 09567e7fd44291bfc08accfdd67ad8f467842332
> ("powerpc/mm: Check paca psize is up to date for huge mappings"). Please
> check that for details. The difference here is that faults were
> happening on a 4K page at an address previously mapped by hugetlb.
> 
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>
Reviewed-by: Anshuman Khandual <khandual at linux.vnet.ibm.com>