1 files changed, 6 insertions, 2 deletions

diff --git a/arch/s390/lib/uaccess.h b/arch/s390/lib/uaccess.h
index b1a22173d027..e5b9c924b733 100644
--- a/arch/s390/lib/uaccess.h
+++ b/arch/s390/lib/uaccess.h
@@ -6,7 +6,11 @@
 #ifndef __ARCH_S390_LIB_UACCESS_H
 #define __ARCH_S390_LIB_UACCESS_H
 
-extern int futex_atomic_op_pt(int, u32 __user *, int, int *);
-extern int futex_atomic_cmpxchg_pt(u32 *, u32 __user *, u32, u32);
+size_t copy_from_user_pt(void *to, const void __user *from, size_t n);
+size_t copy_to_user_pt(void __user *to, const void *from, size_t n);
+size_t copy_in_user_pt(void __user *to, const void __user *from, size_t n);
+size_t clear_user_pt(void __user *to, size_t n);
+size_t strnlen_user_pt(const char __user *src, size_t count);
+size_t strncpy_from_user_pt(char *dst, const char __user *src, size_t count);
 
 #endif /* __ARCH_S390_LIB_UACCESS_H */