diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 9bd3298f8c69..168e8d04dbba 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -3151,6 +3151,7 @@ pvm_find_va_enclose_addr(unsigned long addr)
  * @va:
  *   in - the VA we start the search(reverse order);
  *   out - the VA with the highest aligned end address.
+ * @align: alignment for required highest address
  *
  * Returns: determined end address within vmap_area
  */