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v0.5.1
https://github.com/torvalds/linux
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Tip revision: 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d authored by Greg Kroah-Hartman on 22 October 2018, 06:37:37 UTC
Linux 4.19
Tip revision: 84df952
ffz.h
/* SPDX-License-Identifier: GPL-2.0 */
#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_ */
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