Re: [patch 2/2] proc/stat: Make the interrupt statistics more efficient

[Alexey Dobriyan]

On Wed, Jan 30, 2019 at 01:31:32PM +0100, Thomas Gleixner wrote:
> +static void show_irq_gap(struct seq_file *p, int gap)
> +{
> +	static const char zeros[] = " 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0";
> +
> +	while (gap > 0) {
> +		int inc = min_t(int, gap, ARRAY_SIZE(zeros) / 2);
> +
> +		seq_write(p, zeros, 2 * inc);
> +		gap -= inc;
> +	}
> +}
> +
> +static void show_all_irqs(struct seq_file *p)
> +{
> +	int i, next = 0;
> +
> +	for_each_active_irq(i) {
> +		show_irq_gap(p, i - next);
> +		seq_put_decimal_ull(p, " ", kstat_irqs_usr(i));
> +		next = i + 1;
> +	}
> +	show_irq_gap(p, nr_irqs - next);
> +}

Every signed int can and should be unsigned int in this patch.