diff --git a/init/main.c b/init/main.c
index 4cb47a159f0..845187822e5 100644
--- a/init/main.c
+++ b/init/main.c
@@ -584,6 +584,7 @@ asmlinkage void __init start_kernel(void)
 		local_irq_disable();
 	}
 	rcu_init();
+	radix_tree_init();
 	/* init some links before init_ISA_irqs() */
 	early_irq_init();
 	init_IRQ();
@@ -657,7 +658,6 @@ asmlinkage void __init start_kernel(void)
 	proc_caches_init();
 	buffer_init();
 	key_init();
-	radix_tree_init();
 	security_init();
 	vfs_caches_init(totalram_pages);
 	signals_init();