diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index 1cfbba65d11a..356e5677eeb1 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -645,7 +645,7 @@ void check_unaligned_access(int cpu)
 	__free_pages(page, get_order(MISALIGNED_BUFFER_SIZE));
 }
 
-static int check_unaligned_access_boot_cpu(void)
+static int __init check_unaligned_access_boot_cpu(void)
 {
 	check_unaligned_access(0);
 	return 0;