Re: [PATCH v22 1/4] mm: add MAP_DROPPABLE for designating always lazily freeable mappings

Jason A. Donenfeld
2024-07-12T01:22:04Z

On Fri, Jul 12, 2024 at 12:29:17AM +0200, David Hildenbrand wrote:
> > I'll try to think of some corner cases we might be missing.
>
> Sorry that I keep coming up with corner cases :) But these should be easy to handle:

Thank you for coming up with them!

> We don't want to suddenly get pages that are swapbacked.

> Otherwise someone could place swapbacked pages in there (using UFFDIO_MOVE)

Both seem like reasonable concerns. Added to v+1.

Jason