Subject: Re: [PATCH] hugetlb: powerpc: Actively close unused htlb regions on vma close

From: David Gibson <[email-masked]>
Date: Fri, 9 Jun 2006 11:49:50 +0300

On Fri, Jun 02, 2006 at 02:08:27PM -0700, Christoph Lameter wrote:
> On Fri, 2 Jun 2006, Adam Litke wrote:
> 
> > The real reason I want to "close" hugetlb regions (even on 64bit
> > platforms) is so a process can replace a previous hugetlb mapping with
> > normal pages when huge pages become scarce.  An example would be the
> > hugetlb morecore (malloc) feature in libhugetlbfs :)
> 
> Well that approach wont work on IA64 it seems.

Yes, but there's not much that can be done about that.

-- 
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