diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 14c6c3a6f04b018dbf937796d06767247f655730..42a8bba0b0ead4235add5133b7e849187641da53 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -256,7 +256,7 @@ void __init early_init_devtree(void *params)
 static void __init copy_devtree(void)
 {
 	void *alloc = early_init_dt_alloc_memory_arch(
-			be32_to_cpu(initial_boot_params->totalsize), 0);
+			be32_to_cpu(initial_boot_params->totalsize), 8);
 	if (alloc) {
 		memcpy(alloc, initial_boot_params,
 				be32_to_cpu(initial_boot_params->totalsize));