diff --git a/arch/avr32/include/uapi/asm/unistd.h b/arch/avr32/include/uapi/asm/unistd.h
index 40cd523615d862b9865e254029bec91b2e0b5b57..b60132bb27ea7d7be7d0e306d49e9071142061ac 100644
--- a/arch/avr32/include/uapi/asm/unistd.h
+++ b/arch/avr32/include/uapi/asm/unistd.h
@@ -334,5 +334,8 @@
 #define __NR_bpf		319
 #define __NR_execveat		320
 #define __NR_accept4		321
+#define __NR_userfaultfd	322
+#define __NR_membarrier		323
+#define __NR_mlock2		324
 
 #endif /* _UAPI__ASM_AVR32_UNISTD_H */
diff --git a/arch/avr32/kernel/syscall_table.S b/arch/avr32/kernel/syscall_table.S
index 6fa80a42dc23ba7f9a78a228baf47e2ea60f64ab..1915a443b4914de8d27347688dc06f048ee22473 100644
--- a/arch/avr32/kernel/syscall_table.S
+++ b/arch/avr32/kernel/syscall_table.S
@@ -335,4 +335,7 @@ sys_call_table:
 	.long	sys_bpf
 	.long	sys_execveat		/* 320 */
 	.long	sys_accept4
+	.long	sys_userfaultfd
+	.long	sys_membarrier
+	.long	sys_mlock2
 	.long	sys_ni_syscall		/* r8 is saturated at nr_syscalls */