folio cannot be split to order-0 and check
   the corresponding folio's has_hwpoison flag.

I will put this on my TODO list.
--
Best Regards,
Yan, Zi[PATCH v4] mm/huge_memory: preserve PG_has_hwpoisoned if a folio is split to >0 orderZi Yan <ziy@nvidia.com> undefinedPankaj Raghav <kernel@pankajraghav.com> undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefinedƒgƒÂ