On Wed, Nov 11, 2020 at 03:40:05PM -0500, Zi Yan wrote:
> From: Zi Yan <ziy@xxxxxxxxxx>
>
> It adds a new_order parameter to set new page order in page owner.
> It prepares for upcoming changes to support split huge page to any lower
> order.
>
> Signed-off-by: Zi Yan <ziy@xxxxxxxxxx>
> ---
> include/linux/page_owner.h | 7 ++++---
> mm/huge_memory.c | 2 +-
> mm/page_alloc.c | 2 +-
> mm/page_owner.c | 6 +++---
> 4 files changed, 9 insertions(+), 8 deletions(-)
>
> diff --git a/include/linux/page_owner.h b/include/linux/page_owner.h
> index 3468794f83d2..215cbb159568 100644
> --- a/include/linux/page_owner.h
> +++ b/include/linux/page_owner.h
> @@ -31,10 +31,11 @@ static inline void set_page_owner(struct page *page,
> __set_page_owner(page, order, gfp_mask);
> }
>
> -static inline void split_page_owner(struct page *page, unsigned int nr)
> +static inline void split_page_owner(struct page *page, unsigned int nr,
> + unsigned int new_order)
> {
> if (static_branch_unlikely(&page_owner_inited))
> - __split_page_owner(page, nr);
> + __split_page_owner(page, nr, new_order);
Hm. Where do you correct __split_page_owner() declaration. I don't see it.
--
Kirill A. Shutemov
