Messages in this thread | | | Date | Thu, 1 Sep 2022 11:34:48 -0700 | From | Mike Kravetz <> | Subject | Re: [PATCH 6/7] mm/hugetlb add folio_hstate() |
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On 08/29/22 16:00, Sidhartha Kumar wrote: > Helper function to retrieve hstate information from a hugetlb folio. > > > Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com> > --- > include/linux/hugetlb.h | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > > diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h > index d8742c5bf454..093b5d32d6b5 100644 > --- a/include/linux/hugetlb.h > +++ b/include/linux/hugetlb.h > @@ -815,10 +815,15 @@ static inline pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, > } > #endif > > +static inline struct hstate *folio_hstate(struct folio *folio) > +{ > + VM_BUG_ON_FOLIO(!folio_test_hugetlb(folio), folio); > + return size_to_hstate(folio_size(folio)); > +} > + > static inline struct hstate *page_hstate(struct page *page) > { > - VM_BUG_ON_PAGE(!PageHuge(page), page); > - return size_to_hstate(page_size(page)); > + return folio_hstate(page_folio(page)); > } > > static inline unsigned hstate_index_to_shift(unsigned index) > -- > 2.31.1 >
I would suggest including patch 7 which makes use of folio_hstate.
-- Mike Kravetz
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