diff options
| -rw-r--r-- | include/linux/mm.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 3acf09d5b0bd..836b96e08a14 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -984,8 +984,11 @@ extern compound_page_dtor * const compound_page_dtors[NR_COMPOUND_DTORS]; static inline void set_compound_page_dtor(struct page *page, enum compound_dtor_id compound_dtor) { + struct folio *folio = (struct folio *)page; + VM_BUG_ON_PAGE(compound_dtor >= NR_COMPOUND_DTORS, page); - page[1].compound_dtor = compound_dtor; + VM_BUG_ON_PAGE(!PageHead(page), page); + folio->_folio_dtor = compound_dtor; } static inline void folio_set_compound_dtor(struct folio *folio, @@ -999,9 +1002,11 @@ void destroy_large_folio(struct folio *folio); static inline void set_compound_order(struct page *page, unsigned int order) { - page[1].compound_order = order; + struct folio *folio = (struct folio *)page; + + folio->_folio_order = order; #ifdef CONFIG_64BIT - page[1].compound_nr = 1U << order; + folio->_folio_nr_pages = 1U << order; #endif } |