__fls              30 include/asm-generic/bitops/fls64.h 	return __fls(x) + 1;
__fls              53 include/asm-generic/word-at-a-time.h #define zero_bytemask(mask) (~1ul << __fls(mask))
__fls             620 include/net/ipv6.h 			return i * 32 + 31 - __fls(ntohl(xb));
__fls             653 include/net/ipv6.h 			return i * 64 + 63 - __fls(be64_to_cpu(xb));