Re: [PATCH 1/7] tools lib: Add bitmap_alloc function

[David Ahern]

On 8/1/16 12:02 PM, Jiri Olsa wrote:

@@ -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 malloc(BITS_TO_LONGS(nbits) * sizeof(unsigned long));
+}
+
 #endif /* _PERF_BITOPS_H */

calloc? Can't imagine any user wanting an uninitialized bitmap.