4 #define ARCH (arch_ia64)
6 #ifndef __NR_ioprio_set
7 #define __NR_ioprio_set 1274
8 #define __NR_ioprio_get 1275
11 #ifndef __NR_fadvise64
12 #define __NR_fadvise64 1234
15 #define nop asm volatile ("hint @pause" ::: "memory");
17 #define ia64_popcnt(x) \
19 unsigned long ia64_intri_res; \
20 asm ("popcnt %0=%1" : "=r" (ia64_intri_res) : "r" (x)); \
24 static inline unsigned long ffz(unsigned long bitmask)
26 return ia64_popcnt(bitmask & (~bitmask - 1));