diff --git a/sys/fs/ext2fs/ext2_vnops.c b/sys/fs/ext2fs/ext2_vnops.c
--- a/sys/fs/ext2fs/ext2_vnops.c
+++ b/sys/fs/ext2fs/ext2_vnops.c
@@ -919,7 +919,7 @@
 		if (error)
 			goto out;
 		VREF(tdvp);
-		error = relookup(tdvp, &tvp, tcnp);
+		error = vfs_relookup(tdvp, &tvp, tcnp);
 		if (error)
 			goto out;
 		vrele(tdvp);
@@ -1045,7 +1045,7 @@
 	fcnp->cn_flags &= ~MODMASK;
 	fcnp->cn_flags |= LOCKPARENT | LOCKLEAF;
 	VREF(fdvp);
-	error = relookup(fdvp, &fvp, fcnp);
+	error = vfs_relookup(fdvp, &fvp, fcnp);
 	if (error == 0)
 		vrele(fdvp);
 	if (fvp != NULL) {
diff --git a/sys/fs/nfsserver/nfs_nfsdport.c b/sys/fs/nfsserver/nfs_nfsdport.c
--- a/sys/fs/nfsserver/nfs_nfsdport.c
+++ b/sys/fs/nfsserver/nfs_nfsdport.c
@@ -677,7 +677,7 @@
 		 * In either case ni_startdir will be dereferenced and NULLed
 		 * out.
 		 */
-		error = lookup(ndp);
+		error = vfs_lookup(ndp);
 		if (error)
 			break;
 
diff --git a/sys/fs/unionfs/union_subr.c b/sys/fs/unionfs/union_subr.c
--- a/sys/fs/unionfs/union_subr.c
+++ b/sys/fs/unionfs/union_subr.c
@@ -681,7 +681,7 @@
 	vref(dvp);
 	VOP_UNLOCK(dvp);
 
-	if ((error = relookup(dvp, vpp, cn))) {
+	if ((error = vfs_relookup(dvp, vpp, cn))) {
 		vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
 	} else
 		vrele(dvp);
@@ -1028,7 +1028,7 @@
 	NDPREINIT(&nd);
 
 	vref(udvp);
-	if ((error = relookup(udvp, &vp, &nd.ni_cnd)) != 0)
+	if ((error = vfs_relookup(udvp, &vp, &nd.ni_cnd)) != 0)
 		goto unionfs_vn_create_on_upper_free_out2;
 	vrele(udvp);
 
diff --git a/sys/kern/vfs_lookup.c b/sys/kern/vfs_lookup.c
--- a/sys/kern/vfs_lookup.c
+++ b/sys/kern/vfs_lookup.c
@@ -655,7 +655,7 @@
 	 */
 	for (;;) {
 		ndp->ni_startdir = dp;
-		error = lookup(ndp);
+		error = vfs_lookup(ndp);
 		if (error != 0)
 			goto out;
 
@@ -843,7 +843,7 @@
  *	    if WANTPARENT set, return unlocked parent in ni_dvp
  */
 int
-lookup(struct nameidata *ndp)
+vfs_lookup(struct nameidata *ndp)
 {
 	char *cp;			/* pointer into pathname argument */
 	char *prev_ni_next;		/* saved ndp->ni_next */
@@ -1388,7 +1388,7 @@
  *    Used by lookup to re-acquire things.
  */
 int
-relookup(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp)
+vfs_relookup(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp)
 {
 	struct vnode *dp = NULL;		/* the directory we are searching */
 	int rdonly;			/* lookup read-only flag bit */
diff --git a/sys/sys/namei.h b/sys/sys/namei.h
--- a/sys/sys/namei.h
+++ b/sys/sys/namei.h
@@ -305,8 +305,8 @@
 #endif
 
 int	namei(struct nameidata *ndp);
-int	lookup(struct nameidata *ndp);
-int	relookup(struct vnode *dvp, struct vnode **vpp,
+int	vfs_lookup(struct nameidata *ndp);
+int	vfs_relookup(struct vnode *dvp, struct vnode **vpp,
 	    struct componentname *cnp);
 #endif