diff options
| -rw-r--r-- | include/linux/pagemap.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index fe0b29bf2df7..6fd0d3aa492c 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -452,6 +452,9 @@ extern int __lock_page_or_retry(struct page *page, struct mm_struct *mm, unsigned int flags); extern void unlock_page(struct page *page); +/* + * Return true if the page was successfully locked + */ static inline int trylock_page(struct page *page) { page = compound_head(page); |