diff --git a/mm/rmap.c b/mm/rmap.c
index 8005080fb9e3..6541cf7fd1d3 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1164,7 +1164,7 @@ void page_remove_rmap(struct page *page)
 
 /*
  * Subfunctions of try_to_unmap: try_to_unmap_one called
- * repeatedly from either try_to_unmap_anon or try_to_unmap_file.
+ * repeatedly from try_to_unmap_ksm, try_to_unmap_anon or try_to_unmap_file.
  */
 int try_to_unmap_one(struct page *page, struct vm_area_struct *vma,
 		     unsigned long address, enum ttu_flags flags)