#define MNT_NOEXEC 0x04
#define MNT_SHARED 0x10 /* if the vfsmount is a shared mount */
#define MNT_UNBINDABLE 0x20 /* if the vfsmount is a unbindable mount */
-#define MNT_PNODE_MASK 0x30 /* propogation flag mask */
+
+#define MNT_PNODE_MASK (MNT_SHARED | MNT_UNBINDABLE)
struct vfsmount {
struct list_head mnt_hash;