diff --git a/arch/sw_64/kernel/dup_print.c b/arch/sw_64/kernel/dup_print.c
index 02639f40a4bc6d5901344c41249f34c8bc8305be..3a32c444207d89f2c4e472786d29704798217dc6 100644
--- a/arch/sw_64/kernel/dup_print.c
+++ b/arch/sw_64/kernel/dup_print.c
@@ -52,6 +52,8 @@ int sw64_printk(const char *fmt, va_list args)
 #endif
 
 #ifdef CONFIG_SW64_RRU
+#include<linux/uaccess.h>
+
 static DEFINE_SPINLOCK(printf_lock);
 #define USER_PRINT_BUFF_BASE            (0x600000UL + __START_KERNEL_map)
 #define USER_PRINT_BUFF_LEN             0x100000UL