Re: [RFC v2 0/3] iommu/intel: Free empty page tables on unmaps

[Jason Gunthorpe]

On Fri, Apr 26, 2024 at 08:39:14PM +0100, Matthew Wilcox wrote:

> I think there's a lot of space in the struct page that can be used.
> These are iommu page tables, not cpu page tables, so things are a bit
> different for them.  But should they be converted to use ptdesc?  Maybe!

Definately! Someday we will need more stuff in here..

Jason