On 02/18/23 00:27, James Houghton wrote:
> This is a simple change: don't create a "huge" PTE if we are making a
> regular, PAGE_SIZE PTE. All architectures that want to implement HGM
> likely need to be changed in a similar way if they implement their own
> version of arch_make_huge_pte.
>
> Signed-off-by: James Houghton <jthoughton@xxxxxxxxxx>
>
> diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
> index 726d581158b1..b767b6889dea 100644
> --- a/include/linux/hugetlb.h
> +++ b/include/linux/hugetlb.h
Thanks,
Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
--
Mike Kravetz
> @@ -899,7 +899,7 @@ static inline void arch_clear_hugepage_flags(struct page *page) { }
> static inline pte_t arch_make_huge_pte(pte_t entry, unsigned int shift,
> vm_flags_t flags)
> {
> - return pte_mkhuge(entry);
> + return shift > PAGE_SHIFT ? pte_mkhuge(entry) : entry;
> }
> #endif
>
> --
> 2.39.2.637.g21b0678d19-goog
>
