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| author | Ingo Molnar <mingo@kernel.org> | 2014-01-13 13:35:28 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-01-13 13:35:28 +0100 |
| commit | 56b4811039174bba9cbd68318d0d8b1585b9eded (patch) | |
| tree | f3e8f99e85e545662d82e18bef2a7009c2948852 /include/asm-generic/word-at-a-time.h | |
| parent | e777b63bbd589248eb151a3191ee92331a701385 (diff) | |
| parent | 9722c2dac708e9468cc0dc30218ef76946ffbc9d (diff) | |
Merge branch 'sched/urgent' into sched/core
Pick up the latest fixes before applying new changes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/asm-generic/word-at-a-time.h')
| -rw-r--r-- | include/asm-generic/word-at-a-time.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-generic/word-at-a-time.h b/include/asm-generic/word-at-a-time.h index 3f21f1b72e4..d3909effd72 100644 --- a/include/asm-generic/word-at-a-time.h +++ b/include/asm-generic/word-at-a-time.h @@ -49,4 +49,12 @@ static inline bool has_zero(unsigned long val, unsigned long *data, const struct return (val + c->high_bits) & ~rhs; } +#ifndef zero_bytemask +#ifdef CONFIG_64BIT +#define zero_bytemask(mask) (~0ul << fls64(mask)) +#else +#define zero_bytemask(mask) (~0ul << fls(mask)) +#endif /* CONFIG_64BIT */ +#endif /* zero_bytemask */ + #endif /* _ASM_WORD_AT_A_TIME_H */ |