On 3/21/24 15:24, Matthew Wilcox (Oracle) wrote:
> We can call it only once instead of twice.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
> Reviewed-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
> ---
> include/linux/page-flags.h | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
> index 6fb3cd42ee59..94eb8a11a321 100644
> --- a/include/linux/page-flags.h
> +++ b/include/linux/page-flags.h
> @@ -1065,11 +1065,14 @@ static inline bool PageHuge(const struct page *page)
> * best effort only and inherently racy: there is no way to synchronize with
> * failing hardware.
> */
> -static inline bool is_page_hwpoison(struct page *page)
> +static inline bool is_page_hwpoison(const struct page *page)
> {
> + const struct folio *folio;
> +
> if (PageHWPoison(page))
> return true;
> - return PageHuge(page) && PageHWPoison(compound_head(page));
> + folio = page_folio(page);
> + return folio_test_hugetlb(folio) && PageHWPoison(&folio->page);
> }
>
> extern bool is_free_buddy_page(struct page *page);
