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

[Muchun Song <muchun.song@xxxxxxxxx>]

> On Jun 2, 2023, at 09:54, Peng Zhang <zhangpeng362@xxxxxxxxxx> wrote:
> 
> From: ZhangPeng <zhangpeng362@xxxxxxxxxx>
> 
> We can replace nine implict calls to compound_head() with one by using
> old_folio. However, we still need to keep old_page because we need to
> know which page in the folio we are copying.
> 
> Suggested-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
> Signed-off-by: ZhangPeng <zhangpeng362@xxxxxxxxxx>

Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>

Thanks.