mirror of https://gitee.com/openkylin/linux.git
13 lines
286 B
C
13 lines
286 B
C
|
#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_ */
|