On Thu, Mar 02, 2023 at 10:24:04PM +0000, James Houghton wrote:
> By checking huge_pte_none(), we incorrectly classify PTE markers as
> "present". Instead, check huge_pte_none_mostly(), classifying PTE
> markers the same as if the PTE were completely blank.
>
> PTE markers, unlike other kinds of swap entries, don't reference any
> physical page and don't indicate that a physical page was mapped
> previously. As such, treat them as non-present for the sake of
> mincore().
>
> Fixes: 5c041f5d1f23 ("mm: teach core mm about pte markers")
> Signed-off-by: James Houghton <jthoughton@xxxxxxxxxx>
Acked-by: Peter Xu <peterx@xxxxxxxxxx>
Thanks, James.
--
Peter Xu
