Re: [PATCH v2 2/3] mm/hugetlb: Use a folio in hugetlb_wp()

From: Matthew Wilcox
Date: Tue Jun 06 2023 - 13:51:07 EST


On Tue, Jun 06, 2023 at 02:20:12PM +0800, Peng Zhang wrote:
> From: ZhangPeng <zhangpeng362@xxxxxxxxxx>
>
> We can replace nine implict calls to compound_head() with one by using
> old_folio. The page we get back is always a head page, so we just
> convert old_page to old_folio.
>
> Suggested-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
> Signed-off-by: ZhangPeng <zhangpeng362@xxxxxxxxxx>
> Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
> Reviewed-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>

Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>