| Message ID | 20210511214735.1836149-3-willy@infradead.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Memory folios | expand |
On 5/11/21 11:47 PM, Matthew Wilcox (Oracle) wrote: > These are just convenience wrappers for callers with folios; pgdat and > zone can be reached from tail pages as well as head pages. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> > Reviewed-by: Zi Yan <ziy@nvidia.com> > Reviewed-by: Christoph Hellwig <hch@lst.de> > Acked-by: Jeff Layton <jlayton@kernel.org> Acked-by: Vlastimil Babka <vbabka@suse.cz> > --- > include/linux/mm.h | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/include/linux/mm.h b/include/linux/mm.h > index b29c86824e6b..a55c2c0628b6 100644 > --- a/include/linux/mm.h > +++ b/include/linux/mm.h > @@ -1560,6 +1560,16 @@ static inline pg_data_t *page_pgdat(const struct page *page) > return NODE_DATA(page_to_nid(page)); > } > > +static inline struct zone *folio_zone(const struct folio *folio) > +{ > + return page_zone(&folio->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) > { >
diff --git a/include/linux/mm.h b/include/linux/mm.h index b29c86824e6b..a55c2c0628b6 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1560,6 +1560,16 @@ static inline pg_data_t *page_pgdat(const struct page *page) return NODE_DATA(page_to_nid(page)); } +static inline struct zone *folio_zone(const struct folio *folio) +{ + return page_zone(&folio->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) {