include/asm-generic/bitops/fls64.h

   1 #ifndef _ASM_GENERIC_BITOPS_FLS64_H_
   2 #define _ASM_GENERIC_BITOPS_FLS64_H_
   3
   4 static inline int fls64(__u64 x)
   5 {
   6         __u32 h = x >> 32;
   7         if (h)
   8                 return fls(h) + 32;
   9         return fls(x);
  10 }
  11
  12 #endif /* _ASM_GENERIC_BITOPS_FLS64_H_ */