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-rw-r--r--tools/include/linux/bitmap.h10
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 */