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

[Peter Zijlstra]

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().

> +	zero_bit = find_next_zero_bit(&var, maxcbm, first_bit);
> +
> +	if (find_next_bit(&var, maxcbm, zero_bit) < maxcbm)
> +		return false;
> +
> +	return true;
> +}
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/