4 #define ARCH (arch_s390)
6 #ifndef __NR_ioprio_set
7 #define __NR_ioprio_set 282
8 #define __NR_ioprio_get 283
11 #ifndef __NR_fadvise64
12 #define __NR_fadvise64 253
15 #ifndef __NR_sys_splice
16 #define __NR_sys_splice 306
17 #define __NR_sys_tee 308
18 #define __NR_sys_vmsplice 309
21 #define nop asm volatile ("diag 0,0,68" : : : "memory")
22 #define read_barrier() asm volatile("bcr 15,0" : : : "memory")
23 #define write_barrier() asm volatile("bcr 15,0" : : : "memory")