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    Subject[RFC PATCH 01/26] hugetlb: make hstate accessor functions const
    From
    This is just a const-correctness change so that the new hugetlb_pte
    changes can be const-correct too.

    Acked-by: David Rientjes <rientjes@google.com>

    Signed-off-by: James Houghton <jthoughton@google.com>
    ---
    include/linux/hugetlb.h | 12 ++++++------
    1 file changed, 6 insertions(+), 6 deletions(-)

    diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
    index e4cff27d1198..498a4ae3d462 100644
    --- a/include/linux/hugetlb.h
    +++ b/include/linux/hugetlb.h
    @@ -715,7 +715,7 @@ static inline struct hstate *hstate_vma(struct vm_area_struct *vma)
    return hstate_file(vma->vm_file);
    }

    -static inline unsigned long huge_page_size(struct hstate *h)
    +static inline unsigned long huge_page_size(const struct hstate *h)
    {
    return (unsigned long)PAGE_SIZE << h->order;
    }
    @@ -729,27 +729,27 @@ static inline unsigned long huge_page_mask(struct hstate *h)
    return h->mask;
    }

    -static inline unsigned int huge_page_order(struct hstate *h)
    +static inline unsigned int huge_page_order(const struct hstate *h)
    {
    return h->order;
    }

    -static inline unsigned huge_page_shift(struct hstate *h)
    +static inline unsigned huge_page_shift(const struct hstate *h)
    {
    return h->order + PAGE_SHIFT;
    }

    -static inline bool hstate_is_gigantic(struct hstate *h)
    +static inline bool hstate_is_gigantic(const struct hstate *h)
    {
    return huge_page_order(h) >= MAX_ORDER;
    }

    -static inline unsigned int pages_per_huge_page(struct hstate *h)
    +static inline unsigned int pages_per_huge_page(const struct hstate *h)
    {
    return 1 << h->order;
    }

    -static inline unsigned int blocks_per_huge_page(struct hstate *h)
    +static inline unsigned int blocks_per_huge_page(const struct hstate *h)
    {
    return huge_page_size(h) / 512;
    }
    --
    2.37.0.rc0.161.g10f37bed90-goog
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