diff options
Diffstat (limited to 'include/asm-generic/word-at-a-time.h')
| -rw-r--r-- | include/asm-generic/word-at-a-time.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-generic/word-at-a-time.h b/include/asm-generic/word-at-a-time.h index 3f21f1b72e45..94f9ea8abcae 100644 --- a/include/asm-generic/word-at-a-time.h +++ b/include/asm-generic/word-at-a-time.h @@ -49,4 +49,8 @@ static inline bool has_zero(unsigned long val, unsigned long *data, const struct return (val + c->high_bits) & ~rhs; } +#ifndef zero_bytemask +#define zero_bytemask(mask) (~1ul << __fls(mask)) +#endif + #endif /* _ASM_WORD_AT_A_TIME_H */ |