#ifndef ARCH_X86_64_h #define ARCH_X86_64_h #define ARCH (arch_x86_64) #ifndef __NR_ioprio_set #define __NR_ioprio_set 251 #define __NR_ioprio_get 252 #endif #ifndef __NR_fadvise64 #define __NR_fadvise64 221 #endif #ifndef __NR_sys_splice #define __NR_sys_splice 275 #define __NR_sys_tee 276 #define __NR_sys_vmsplice 278 #endif #define nop __asm__ __volatile__("rep;nop": : :"memory") static inline unsigned long ffz(unsigned long bitmask) { __asm__("bsfq %1,%0" :"=r" (bitmask) :"r" (~bitmask)); return bitmask; } #endif