On Thu, Mar 16, 2017 at 04:02:08PM +0530, Aneesh Kumar K.V wrote: > This makes max pysical address bits a variable so that hash and radix > translation mode can choose what value to use. In this patch we also switch > the > radix translation mode to use 57 bits. This make it resilient to future > changes > to max pfn supported by platforms. > > This patch is split from the previous one to make the review easier. > > Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
Why do we need to do this now? It seems like this will add overhead every time we set a PTE for no current benefit. Paul.