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Diffstat (limited to 'tools/perf/util/include/linux/bitmap.h')
-rw-r--r--tools/perf/util/include/linux/bitmap.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/util/include/linux/bitmap.h b/tools/perf/util/include/linux/bitmap.h
index eda4416efa0a..bb162e40c76c 100644
--- a/tools/perf/util/include/linux/bitmap.h
+++ b/tools/perf/util/include/linux/bitmap.h
@@ -5,6 +5,8 @@
#include <linux/bitops.h>
int __bitmap_weight(const unsigned long *bitmap, int bits);
+void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1,
+ const unsigned long *bitmap2, int bits);
#define BITMAP_LAST_WORD_MASK(nbits) \
( \
@@ -32,4 +34,13 @@ static inline int bitmap_weight(const unsigned long *src, int nbits)
return __bitmap_weight(src, nbits);
}
+static inline void bitmap_or(unsigned long *dst, const unsigned long *src1,
+ const unsigned long *src2, int nbits)
+{
+ if (small_const_nbits(nbits))
+ *dst = *src1 | *src2;
+ else
+ __bitmap_or(dst, src1, src2, nbits);
+}
+
#endif /* _PERF_BITOPS_H */