Re: [PATCH 6/9] x86/intel_rdt: Add support for cache bit mask management

[Vikas Shivappa]

On Tue, 28 Jul 2015, Peter Zijlstra wrote:

> On Wed, Jul 01, 2015 at 03:21:07PM -0700, Vikas Shivappa wrote:
> > +static inline bool cbm_is_contiguous(unsigned long var)
> > +{
> > +	unsigned long maxcbm = MAX_CBM_LENGTH;
> > +	unsigned long first_bit, zero_bit;
> > +
> > +	if (!var)
> > +		return false;
> > +
> > +	first_bit = find_next_bit(&var, maxcbm, 0);
>
> We actually have: find_first_bit().

will fix

Thanks,
Vikas

> > +	zero_bit = find_next_zero_bit(&var, maxcbm, first_bit);
> > +
> > +	if (find_next_bit(&var, maxcbm, zero_bit) < maxcbm)
> > +		return false;
> > +
> > +	return true;
> > +}
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