--- IO-AIO/AIO.xs	2021/01/04 22:19:06	1.289
+++ IO-AIO/AIO.xs	2021/02/07 13:13:44	1.290
@@ -1205,6 +1205,10 @@
     const_iv (MAP_32BIT)
     const_iv (MAP_HUGETLB)
     const_iv (MAP_STACK)
+    const_iv (MAP_FIXED_NOREPLACE)
+    const_iv (MAP_SHARED_VALIDATE)
+    const_iv (MAP_SYNC)
+    const_iv (MAP_UNINITIALIZED)
 
     const_iv (MREMAP_MAYMOVE)
     const_iv (MREMAP_FIXED)