diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mm.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index de008efd96aa..e5cdbb94ef81 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1194,6 +1194,11 @@ struct inode; extern void prep_compound_page(struct page *page, unsigned int order); +static inline unsigned int folio_large_order(const struct folio *folio) +{ + return folio->_flags_1 & 0xff; +} + /* * compound_order() can be called without holding a reference, which means * that niceties like page_folio() don't work. These callers should be @@ -1207,7 +1212,7 @@ static inline unsigned int compound_order(struct page *page) if (!test_bit(PG_head, &folio->flags)) return 0; - return folio->_flags_1 & 0xff; + return folio_large_order(folio); } /** @@ -1223,7 +1228,7 @@ static inline unsigned int folio_order(const struct folio *folio) { if (!folio_test_large(folio)) return 0; - return folio->_flags_1 & 0xff; + return folio_large_order(folio); } #include <linux/huge_mm.h> @@ -2145,7 +2150,7 @@ static inline long folio_nr_pages(const struct folio *folio) #ifdef CONFIG_64BIT return folio->_folio_nr_pages; #else - return 1L << (folio->_flags_1 & 0xff); + return 1L << folio_large_order(folio); #endif } @@ -2170,7 +2175,7 @@ static inline unsigned long compound_nr(struct page *page) #ifdef CONFIG_64BIT return folio->_folio_nr_pages; #else - return 1L << (folio->_flags_1 & 0xff); + return 1L << folio_large_order(folio); #endif } |