mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-22 17:01:14 +00:00
16 lines
340 B
C
16 lines
340 B
C
![]() |
#ifndef _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_
|
||
|
#define _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_
|
||
|
|
||
|
/**
|
||
|
* __ffs - find first bit in word.
|
||
|
* @word: The word to search
|
||
|
*
|
||
|
* Undefined if no bit exists, so code should check against 0 first.
|
||
|
*/
|
||
|
static __always_inline unsigned long __ffs(unsigned long word)
|
||
|
{
|
||
|
return __builtin_ctzl(word);
|
||
|
}
|
||
|
|
||
|
#endif
|