| From | Zi Yan <> | Subject | Re: [PATCH v3 02/25] mm: Add folio_pgdat | Date | Mon, 1 Mar 2021 16:05:49 -0500 |
| |
On 28 Jan 2021, at 2:03, Matthew Wilcox (Oracle) wrote:
> This is just a convenience wrapper for callers with folios; pgdat can > be reached from tail pages as well as head pages. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> > --- > include/linux/mm.h | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/include/linux/mm.h b/include/linux/mm.h > index f20504017adf..7d787229dd40 100644 > --- a/include/linux/mm.h > +++ b/include/linux/mm.h > @@ -1503,6 +1503,11 @@ static inline pg_data_t *page_pgdat(const struct page *page) > return NODE_DATA(page_to_nid(page)); > } > > +static inline pg_data_t *folio_pgdat(const struct folio *folio) > +{ > + return page_pgdat(&folio->page); > +} > + > #ifdef SECTION_IN_PAGE_FLAGS > static inline void set_page_section(struct page *page, unsigned long section) > { > -- > 2.29.2
LGTM.
Reviewed-by: Zi Yan <ziy@nvidia.com>
— Best Regards, Yan Zi [unhandled content-type:application/pgp-signature] |