[PATCH -V5 18/25] powerpc/THP: Double the PMD table size for THP

[David Gibson]

On Thu, Apr 04, 2013 at 11:27:56AM +0530, Aneesh Kumar K.V wrote:
> From: "Aneesh Kumar K.V" <aneesh.kumar at linux.vnet.ibm.com>
> 
> THP code does PTE page allocation along with large page request and deposit them
> for later use. This is to ensure that we won't have any failures when we split
> hugepages to regular pages.
> 
> On powerpc we want to use the deposited PTE page for storing hash pte slot and
> secondary bit information for the HPTEs. We use the second half
> of the pmd table to save the deposted PTE page.

The previous patch accesses data in that second half of the PMD table,
so this patch should go before it.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 198 bytes
Desc: Digital signature
URL: <http://lists.ozlabs.org/pipermail/linuxppc-dev/attachments/20130411/1a17b7b6/attachment.sig>