summaryrefslogtreecommitdiffstats
path: root/tools/testing/radix-tree/linux/bitops/ffz.h
blob: 6744bd4cdf465733899110a54073e6398cdbc8cc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
#ifndef _ASM_GENERIC_BITOPS_FFZ_H_
#define _ASM_GENERIC_BITOPS_FFZ_H_

/*
 * ffz - find first zero in word.
 * @word: The word to search
 *
 * Undefined if no zero exists, so code should check against ~0UL first.
 */
#define ffz(x)  __ffs(~(x))

#endif /* _ASM_GENERIC_BITOPS_FFZ_H_ */