[PATCH] powerpc: Fix bad pmd error with book3E config

[Scott Wood]

On Wed, Jun 12, 2013 at 04:00:04PM +0530, Aneesh Kumar K.V wrote:
> From: "Aneesh Kumar K.V" <aneesh.kumar at linux.vnet.ibm.com>
> 
> Book3E uses the hugepd at PMD level and don't encode pte directly
> at the pmd level. So it will find the lower bits of pmd set
> and the pmd_bad check throws error. Infact the current code
> will never take the free_hugepd_range call at all because it will
> clear the pmd if it find a hugepd pointer.
> 
> Reported-by: Scott Wood <scottwood at freescale.com>
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>
> ---
>  arch/powerpc/mm/hugetlbpage.c | 29 ++++++++++++++++++-----------
>  1 file changed, 18 insertions(+), 11 deletions(-)

Thanks; this fixes the error for me.

-Scott