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| author | Ingo Molnar <mingo@elte.hu> | 2009-01-05 15:53:39 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-05 15:53:39 +0300 |
| commit | 5359c32eb7402124abc9964d5d53639fe0739cea (patch) | |
| tree | d77b6967fe8420678bb9d1d936855ac0699c196a /include/linux/bitops.h | |
| parent | 8916edef5888c5d8fe283714416a9ca95b4c3431 (diff) | |
| parent | fe0bdec68b77020281dc814805edfe594ae89e0f (diff) | |
| download | linux-5359c32eb7402124abc9964d5d53639fe0739cea.tar.xz | |
Merge branch 'linus' into sched/urgent
Diffstat (limited to 'include/linux/bitops.h')
| -rw-r--r-- | include/linux/bitops.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 024f2b027244..61829139795a 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -134,9 +134,20 @@ extern unsigned long find_first_bit(const unsigned long *addr, */ extern unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size); - #endif /* CONFIG_GENERIC_FIND_FIRST_BIT */ +#ifdef CONFIG_GENERIC_FIND_LAST_BIT +/** + * find_last_bit - find the last set bit in a memory region + * @addr: The address to start the search at + * @size: The maximum size to search + * + * Returns the bit number of the first set bit, or size. + */ +extern unsigned long find_last_bit(const unsigned long *addr, + unsigned long size); +#endif /* CONFIG_GENERIC_FIND_LAST_BIT */ + #ifdef CONFIG_GENERIC_FIND_NEXT_BIT /** |