Re: [PATCH 5/7] powerpc/mm: 64-bit: don't handle non-standard page sizes

2011-05-18 Thread Benjamin Herrenschmidt
On Wed, 2011-05-18 at 16:50 -0500, Scott Wood wrote: > On Thu, 19 May 2011 07:36:04 +1000 > Benjamin Herrenschmidt wrote: > > > On Wed, 2011-05-18 at 16:05 -0500, Scott Wood wrote: > > > I don't see where any non-standard page size will be set in the > > > kernel page tables, so don't waste time

Re: [PATCH 5/7] powerpc/mm: 64-bit: don't handle non-standard page sizes

2011-05-18 Thread Scott Wood
On Thu, 19 May 2011 07:36:04 +1000 Benjamin Herrenschmidt wrote: > On Wed, 2011-05-18 at 16:05 -0500, Scott Wood wrote: > > I don't see where any non-standard page size will be set in the > > kernel page tables, so don't waste time checking for it. It wouldn't > > work with TLB0 on an FSL MMU an

Re: [PATCH 5/7] powerpc/mm: 64-bit: don't handle non-standard page sizes

2011-05-18 Thread Benjamin Herrenschmidt
On Wed, 2011-05-18 at 16:05 -0500, Scott Wood wrote: > I don't see where any non-standard page size will be set in the > kernel page tables, so don't waste time checking for it. It wouldn't > work with TLB0 on an FSL MMU anyway, so if there's something I missed > (or which is out-of-tree), it's re

[PATCH 5/7] powerpc/mm: 64-bit: don't handle non-standard page sizes

2011-05-18 Thread Scott Wood
I don't see where any non-standard page size will be set in the kernel page tables, so don't waste time checking for it. It wouldn't work with TLB0 on an FSL MMU anyway, so if there's something I missed (or which is out-of-tree), it's relying on implementation-specific behavior. If there's an out