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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-12-15 08:49:32 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-12-15 08:49:32 -0800 |
| commit | 7547a3e8a43d31aaf91c2daf5f597e43212ccddf (patch) | |
| tree | add99b58ac3b490f6ede666b9dbf2333d87e24fa /tools/perf/util/include/linux/bitops.h | |
| parent | 0f5e182dff576e6f3cd9b805834f18d11f2882aa (diff) | |
| parent | 3ea6b3d0e6d0ffd91c0f8cadeb69b7133c038b32 (diff) | |
Merge commit 'linus' into next
Diffstat (limited to 'tools/perf/util/include/linux/bitops.h')
| -rw-r--r-- | tools/perf/util/include/linux/bitops.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tools/perf/util/include/linux/bitops.h b/tools/perf/util/include/linux/bitops.h new file mode 100644 index 000000000000..8d63116e9435 --- /dev/null +++ b/tools/perf/util/include/linux/bitops.h @@ -0,0 +1,29 @@ +#ifndef _PERF_LINUX_BITOPS_H_ +#define _PERF_LINUX_BITOPS_H_ + +#define __KERNEL__ + +#define CONFIG_GENERIC_FIND_NEXT_BIT +#define CONFIG_GENERIC_FIND_FIRST_BIT +#include "../../../../include/linux/bitops.h" + +#undef __KERNEL__ + +static inline void set_bit(int nr, unsigned long *addr) +{ + addr[nr / BITS_PER_LONG] |= 1UL << (nr % BITS_PER_LONG); +} + +static __always_inline int test_bit(unsigned int nr, const unsigned long *addr) +{ + return ((1UL << (nr % BITS_PER_LONG)) & + (((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0; +} + +unsigned long generic_find_next_zero_le_bit(const unsigned long *addr, unsigned + long size, unsigned long offset); + +unsigned long generic_find_next_le_bit(const unsigned long *addr, unsigned + long size, unsigned long offset); + +#endif |