diff --git a/fs/inode.c b/fs/inode.c
index ac8d904..b03c719 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -348,7 +348,7 @@
 	mutex_init(&mapping->i_mmap_mutex);
 	INIT_LIST_HEAD(&mapping->private_list);
 	spin_lock_init(&mapping->private_lock);
-	INIT_RAW_PRIO_TREE_ROOT(&mapping->i_mmap);
+	mapping->i_mmap = RB_ROOT;
 	INIT_LIST_HEAD(&mapping->i_mmap_nonlinear);
 }
 EXPORT_SYMBOL(address_space_init_once);