Re: [PATCH 2/2] mm, vmstat: List total free blocks for each order in /proc/pagetypeinfo

[Michal Hocko]

On Wed 23-10-19 13:34:23, Waiman Long wrote:
[...]
> @@ -1419,6 +1419,17 @@ static void pagetypeinfo_showfree_print(struct seq_file *m,
>  		}
>  		seq_putc(m, '\n');
>  	}
> +
> +	/*
> +	 * List total free blocks per order
> +	 */
> +	seq_printf(m, "Node %4d, zone %8s, total             ",
> +		   pgdat->node_id, zone->name);
> +	for (order = 0; order < MAX_ORDER; ++order) {
> +		area = &(zone->free_area[order]);
> +		seq_printf(m, "%6lu ", area->nr_free);
> +	}
> +	seq_putc(m, '\n');

This is essentially duplicating /proc/buddyinfo. Do we really need that?
-- 
Michal Hocko
SUSE Labs