summaryrefslogtreecommitdiff
path: root/include/asm-generic/bitops/fls64.h
blob: 1b6b17ce2428091e605c8cbda7103b1d42836780 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
#ifndef _ASM_GENERIC_BITOPS_FLS64_H_
#define _ASM_GENERIC_BITOPS_FLS64_H_

#include <asm/types.h>

static inline int fls64(__u64 x)
{
	__u32 h = x >> 32;
	if (h)
		return fls(h) + 32;
	return fls(x);
}

#endif /* _ASM_GENERIC_BITOPS_FLS64_H_ */