diff --git a/sys/vm/vnode_pager.c b/sys/vm/vnode_pager.c
--- a/sys/vm/vnode_pager.c
+++ b/sys/vm/vnode_pager.c
@@ -502,7 +502,7 @@
 
 	if ((object = vp->v_object) == NULL)
 		return;
-#ifdef DEBUG_VFS_LOCKS
+#ifdef INVARIANTS
 	{
 		struct mount *mp;