--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -363,17 +363,18 @@
 #define __NR_open_by_handle_at		(__NR_Linux + 340)
 #define __NR_clock_adjtime		(__NR_Linux + 341)
 #define __NR_syncfs			(__NR_Linux + 342)
-#define __NR_setns			(__NR_Linux + 343)
+#define __NR_sendmmsg			(__NR_Linux + 343)
+#define __NR_setns			(__NR_Linux + 344)
 
 /*
  * Offset of the last Linux o32 flavoured syscall
  */
-#define __NR_Linux_syscalls		343
+#define __NR_Linux_syscalls		344
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
 
 #define __NR_O32_Linux			4000
-#define __NR_O32_Linux_syscalls		343
+#define __NR_O32_Linux_syscalls		344
 
 #if _MIPS_SIM == _MIPS_SIM_ABI64
 
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -589,6 +589,7 @@ einval:	li	v0, -ENOSYS
 	sys	sys_open_by_handle_at	3	/* 4340 */
 	sys	sys_clock_adjtime	2
 	sys	sys_syncfs		1
+	sys	sys_sendmmsg		4
 	sys	sys_setns		2
 	.endm
 
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -428,5 +428,6 @@ sys_call_table:
 	PTR	sys_open_by_handle_at
 	PTR	sys_clock_adjtime		/* 5300 */
 	PTR	sys_syncfs
+	PTR	sys_sendmmsg
 	PTR	sys_setns
 	.size	sys_call_table,.-sys_call_table
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -428,5 +428,6 @@ EXPORT(sysn32_call_table)
 	PTR	sys_open_by_handle_at
 	PTR	compat_sys_clock_adjtime	/* 6305 */
 	PTR	sys_syncfs
+	PTR	compat_sys_sendmmsg
 	PTR	sys_setns
 	.size	sysn32_call_table,.-sysn32_call_table
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -546,5 +546,6 @@ sys_call_table:
 	PTR	compat_sys_open_by_handle_at	/* 4340 */
 	PTR	compat_sys_clock_adjtime
 	PTR	sys_syncfs
+	PTR	compat_sys_sendmmsg
 	PTR	sys_setns
 	.size	sys_call_table,.-sys_call_table