Re: [PATCH 1/4] mm, page_alloc: do not report all nodes in show_mem

["Hillf Danton" <hillf.zj@alibaba-inc.com>]

On Tuesday, January 17, 2017 5:16 PM Michal Hocko wrote: 
> 
> From: Michal Hocko <mhocko@suse.com>
> 
> 599d0c954f91 ("mm, vmscan: move LRU lists to node") has added per numa
> node statistics to show_mem but it forgot to add skip_free_areas_node
> to fileter out nodes which are outside of the allocating task numa
> policy. Add this check to not pollute the output with the pointless
> information.
> 
> Acked-by: Mel Gorman <mgorman@suse.de>
> Acked-by: Johannes Weiner <hannes@cmpxchg.org>
> Signed-off-by: Michal Hocko <mhocko@suse.com>
> ---
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>

>  mm/page_alloc.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 8ff25883c172..8f4f306d804c 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -4345,6 +4345,9 @@ void show_free_areas(unsigned int filter)
>  		global_page_state(NR_FREE_CMA_PAGES));
> 
>  	for_each_online_pgdat(pgdat) {
> +		if (skip_free_areas_node(filter, pgdat->node_id))
> +			continue;
> +
>  		printk("Node %d"
>  			" active_anon:%lukB"
>  			" inactive_anon:%lukB"
> --
> 2.11.0