diff --git a/arch/mn10300/include/asm/unistd.h b/arch/mn10300/include/asm/unistd.h
index 543a4f98695d052cef96e355a20220c27d6f253a..fef5b434dadcc6977212b6b1c821efbf211ead85 100644
--- a/arch/mn10300/include/asm/unistd.h
+++ b/arch/mn10300/include/asm/unistd.h
@@ -344,6 +344,8 @@
 #define __NR_dup3		331
 #define __NR_pipe2		332
 #define __NR_inotify_init1	333
+#define __NR_preadv		334
+#define __NR_pwritev		335
 
 #ifdef __KERNEL__
 
diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S
index 34ab5a293153b2eb8637d738faa880dde2a5aeea..3dc3e462f92a4e39b496f4d78f7bc1adc6e64e85 100644
--- a/arch/mn10300/kernel/entry.S
+++ b/arch/mn10300/kernel/entry.S
@@ -723,6 +723,8 @@ ENTRY(sys_call_table)
 	.long sys_dup3
 	.long sys_pipe2
 	.long sys_inotify_init1
+	.long sys_preadv
+	.long sys_pwritev		/* 335 */
 
 
 nr_syscalls=(.-sys_call_table)/4