On Wed 13-02-19 11:32:31, Peter Zijlstra wrote: > On Wed, Feb 13, 2019 at 10:43:15AM +0100, Michal Hocko wrote: > > @@ -5259,6 +5261,11 @@ static void build_zonelists(pg_data_t *pgdat) > > > > build_zonelists_in_node_order(pgdat, node_order, nr_nodes); > > build_thisnode_zonelists(pgdat); > > + > > + pr_info("node[%d] zonelist: ", pgdat->node_id); > > + for_each_zone_zonelist(zone, z, > > &pgdat->node_zonelists[ZONELIST_FALLBACK], MAX_NR_ZONES-1) > > + pr_cont("%d:%s ", zone_to_nid(zone), zone->name); > > + pr_cont("\n"); > > } > > Have you ran this by the SGI and other stupid large machine vendors?
I do not have such a large machine handy. The biggest I have has handfull (say dozen) of NUMA nodes. > Traditionally they tend to want to remove such things instead of adding > them. I do not insist on this patch but I find it handy. If there is an opposition I will not miss it much. -- Michal Hocko SUSE Labs