[RFC PATCH -V2 03/21] powerpc: Don't hard code the size of pte page

[Paul Mackerras]

On Thu, Feb 21, 2013 at 10:17:10PM +0530, Aneesh Kumar K.V wrote:
> From: "Aneesh Kumar K.V" <aneesh.kumar at linux.vnet.ibm.com>
> 
> USE PTRS_PER_PTE to indicate the size of pte page.
> 
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>
> powerpc: Don't hard code the size of pte page
> 
> USE PTRS_PER_PTE to indicate the size of pte page.
> 
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>

Description and signoff are duplicated.  Description could be more
informative, for example - why would we want to do this?

> +/*
> + * hidx is in the second half of the page table. We use the
> + * 8 bytes per each pte entry.

The casual reader probably wouldn't know what "hidx" is.  The comment
needs at least to use a better name than "hidx".

Paul.