[PATCH] shared mounts: cleanup

Small cleanups in shared mounts code.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Cc: Ram Pai <linuxram@us.ibm.com>
Cc: <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/mount.h b/include/linux/mount.h
index dd4e83e..b98a709 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -22,7 +22,8 @@
 #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;