4 static int arch = arch_ppc;
6 #define BITS_PER_LONG (32)
8 #ifndef __NR_ioprio_set
9 #define __NR_ioprio_set 273
10 #define __NR_ioprio_get 274
13 #ifndef __NR_fadvise64
14 #define __NR_fadvise64 233
17 #define nop do { } while (0)
19 static inline int __ilog2(unsigned long bitmask)
23 asm ("cntlzw %0,%1" : "=r" (lz) : "r" (bitmask));
27 static inline int ffz(unsigned long bitmask)
29 if ((bitmask = ~bitmask) == 0)
31 return __ilog2(bitmask & -bitmask);