Messages in this thread | | | Date | Thu, 2 Mar 2023 17:32:48 -0500 | From | Peter Xu <> | Subject | Re: [PATCH] mm: teach mincore_hugetlb about pte markers |
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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@google.com>
Acked-by: Peter Xu <peterx@redhat.com>
Thanks, James.
-- Peter Xu
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