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

Jiri Olsa
2016-08-02T09:34:51Z

On Mon, Aug 01, 2016 at 12:45:18PM -0600, David Ahern wrote:
> 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.

hum, right.. all my code used bitmap_zero,
but zalloc would be better choice in here

thanks,
jirka