diff options
-rw-r--r-- | tools/include/linux/bitmap.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/include/linux/bitmap.h b/tools/include/linux/bitmap.h index 28f5493da491..60c44b615902 100644 --- a/tools/include/linux/bitmap.h +++ b/tools/include/linux/bitmap.h @@ -3,6 +3,7 @@ #include <string.h> #include <linux/bitops.h> +#include <stdlib.h> #define DECLARE_BITMAP(name,bits) \ unsigned long name[BITS_TO_LONGS(bits)] @@ -65,4 +66,13 @@ static inline int test_and_set_bit(int nr, unsigned long *addr) return (old & mask) != 0; } +/** + * bitmap_alloc - Allocate bitmap + * @nr: Bit to set + */ +static inline unsigned long *bitmap_alloc(int nbits) +{ + return calloc(1, BITS_TO_LONGS(nbits) * sizeof(unsigned long)); +} + #endif /* _PERF_BITOPS_H */ |