s390/syscalls: wire up kcmp system call

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 5f7928f..3afba80 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1651,3 +1651,11 @@
 	lgfr	%r2,%r2			# int
 	lgfr	%r3,%r3			# int
 	jg	sys_s390_runtime_instr
+
+ENTRY(sys_kcmp_wrapper)
+	lgfr	%r2,%r2			# pid_t
+	lgfr	%r3,%r3			# pid_t
+	lgfr	%r4,%r4			# int
+	llgfr	%r5,%r5			# unsigned long
+	llgfr	%r6,%r6			# unsigned long
+	jg	sys_kcmp