1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index e1474ae18c88..3df8c7db7a4e 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -484,6 +484,9 @@ static inline int lock_page_killable(struct page *page)
 /*
  * lock_page_or_retry - Lock the page, unless this would block and the
  * caller indicated that it can handle a retry.
+ *
+ * Return value and mmap_sem implications depend on flags; see
+ * __lock_page_or_retry().
  */
 static inline int lock_page_or_retry(struct page *page, struct mm_struct *mm,
                                      unsigned int flags)