diff options
| -rw-r--r-- | include/linux/mm.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 89c118ad4a44..2992a2d55aee 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -892,6 +892,13 @@ static inline bool get_page_unless_zero(struct page *page) return page_ref_add_unless(page, 1, 0); } +static inline struct folio *folio_get_nontail_page(struct page *page) +{ + if (unlikely(!get_page_unless_zero(page))) + return NULL; + return (struct folio *)page; +} + extern int page_is_ram(unsigned long pfn); enum { |