3 files changed, 8 insertions, 1 deletions

diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 83b33fe1923c..38a6ef5ec624 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1602,3 +1602,8 @@ compat_sys_ppoll_wrapper:
         llgtr   %r5,%r5                 # const sigset_t *
         llgfr   %r6,%r6                 # size_t
         jg      compat_sys_ppoll
+
+        .globl sys_unshare_wrapper
+sys_unshare_wrapper:
+        llgfr   %r2,%r2                 # unsigned long
+        jg      sys_unshare
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 3280345efacd..e86a4debb160 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -311,3 +311,4 @@ SYSCALL(sys_fchmodat,sys_fchmodat,sys_fchmodat_wrapper)
 SYSCALL(sys_faccessat,sys_faccessat,sys_faccessat_wrapper)      /* 300 */
 SYSCALL(sys_pselect6,sys_pselect6,compat_sys_pselect6_wrapper)
 SYSCALL(sys_ppoll,sys_ppoll,compat_sys_ppoll_wrapper)
+SYSCALL(sys_unshare,sys_unshare,sys_unshare_wrapper)
diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h
index 29a9f357eb9e..0a2f6664c4cf 100644
--- a/include/asm-s390/unistd.h
+++ b/include/asm-s390/unistd.h
@@ -295,8 +295,9 @@
 #define __NR_faccessat          300
 #define __NR_pselect6           301
 #define __NR_ppoll              302
+#define __NR_unshare            303
 
-#define NR_syscalls 303
+#define NR_syscalls 304
 
 /* 
  * There are some system calls that are not present on 64 bit, some