diff --git a/sys/compat/lindebugfs/lindebugfs.c b/sys/compat/lindebugfs/lindebugfs.c
--- a/sys/compat/lindebugfs/lindebugfs.c
+++ b/sys/compat/lindebugfs/lindebugfs.c
@@ -328,6 +328,23 @@
 	return (NULL);
 }
 
+struct dentry *
+debugfs_lookup(const char *name, struct dentry *parent)
+{
+	struct dentry_meta *dm;
+	struct dentry *dnode;
+	struct pfs_node *pnode;
+
+	pnode = pfs_find_node(parent->d_pfs_node, name);
+	if (pnode == NULL)
+		return (NULL);
+
+	dm = (struct dentry_meta *)pnode->pn_data;
+	dnode = &dm->dm_dnode;
+
+	return (dnode);
+}
+
 void
 debugfs_remove(struct dentry *dnode)
 {
diff --git a/sys/compat/linuxkpi/common/include/linux/debugfs.h b/sys/compat/linuxkpi/common/include/linux/debugfs.h
--- a/sys/compat/linuxkpi/common/include/linux/debugfs.h
+++ b/sys/compat/linuxkpi/common/include/linux/debugfs.h
@@ -82,6 +82,8 @@
 struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent,
     const char *dest);
 
+struct dentry *debugfs_lookup(const char *name, struct dentry *parent);
+
 void debugfs_remove(struct dentry *dentry);
 
 void debugfs_remove_recursive(struct dentry *dentry);