Re: [PATCH v9 05/15] guest_memfd: Use folio_has_hwpoisoned_page()

On Thu, Aug 13, 2026 at 09:20:54AM +0200, David Hildenbrand (Arm) wrote:
> On 8/5/26 23:05, Matthew Wilcox (Oracle) wrote:
> > folio_test_hwpoison() only works on hugetlb folios today and will give
> > the wrong answer for other large folios.  folio_has_hwpoisoned_page()
> > works on both.
> 
> guest_memfd only uses small folios, so it doesn't really matter.

Well ...

virt/kvm/guest_memfd.c: /* TODO: Support huge pages. */

and one of the followup patches I have actually removes
folio_test/set/clear_hwpoison() (it's a bit churny so I didn't want
to include it as part of this series)

> Acked-by: David Hildenbrand (Arm) <[email protected]>

Thanks!