linux-master/mm/vmstat.c

274 	struct pglist_data *pgdat;
279 	/* Zero current pgdat thresholds */
280 	for_each_online_pgdat(pgdat) {
282 			per_cpu_ptr(pgdat->per_cpu_nodestats, cpu)->stat_threshold = 0;
287 		struct pglist_data *pgdat = zone->zone_pgdat;
299 			pgdat_threshold = per_cpu_ptr(pgdat->per_cpu_nodestats, cpu)->stat_threshold;
300 			per_cpu_ptr(pgdat->per_cpu_nodestats, cpu)->stat_threshold
317 void set_pgdat_percpu_threshold(pg_data_t *pgdat,
325 	for (i = 0; i < pgdat->nr_zones; i++) {
326 		zone = &pgdat->node_zones[i];
373 void __mod_node_page_state(struct pglist_data *pgdat, enum node_stat_item item,
376 	struct per_cpu_nodestat __percpu *pcp = pgdat->per_cpu_nodestats;
400 		node_page_state_add(x, pgdat, item);
453 void __inc_node_state(struct pglist_data *pgdat, enum node_stat_item item)
455 	struct per_cpu_nodestat __percpu *pcp = pgdat->per_cpu_nodestats;
469 		node_page_state_add(v + overstep, pgdat, item);
509 void __dec_node_state(struct pglist_data *pgdat, enum node_stat_item item)
511 	struct per_cpu_nodestat __percpu *pcp = pgdat->per_cpu_nodestats;
525 		node_page_state_add(v - overstep, pgdat, item);
615 static inline void mod_node_state(struct pglist_data *pgdat,
618 	struct per_cpu_nodestat __percpu *pcp = pgdat->per_cpu_nodestats;
662 		node_page_state_add(z, pgdat, item);
665 void mod_node_page_state(struct pglist_data *pgdat, enum node_stat_item item,
668 	mod_node_state(pgdat, item, delta, 0);
672 void inc_node_state(struct pglist_data *pgdat, enum node_stat_item item)
674 	mod_node_state(pgdat, item, 1, 1);
725 void inc_node_state(struct pglist_data *pgdat, enum node_stat_item item)
730 	__inc_node_state(pgdat, item);
735 void mod_node_page_state(struct pglist_data *pgdat, enum node_stat_item item,
741 	__mod_node_page_state(pgdat, item, delta);
749 	struct pglist_data *pgdat;
751 	pgdat = page_pgdat(page);
753 	__inc_node_state(pgdat, item);
810 	struct pglist_data *pgdat;
873 	for_each_online_pgdat(pgdat) {
874 		struct per_cpu_nodestat __percpu *p = pgdat->per_cpu_nodestats;
881 				atomic_long_add(v, &pgdat->vm_stat[i]);
898 	struct pglist_data *pgdat;
932 	for_each_online_pgdat(pgdat) {
935 		p = per_cpu_ptr(pgdat->per_cpu_nodestats, cpu);
943 				atomic_long_add(v, &pgdat->vm_stat[i]);
1016 unsigned long node_page_state_pages(struct pglist_data *pgdat,
1019 	long x = atomic_long_read(&pgdat->vm_stat[item]);
1027 unsigned long node_page_state(struct pglist_data *pgdat,
1032 	return node_page_state_pages(pgdat, item);
1424 	pg_data_t *pgdat;
1427 	for (pgdat = first_online_pgdat();
1428 	     pgdat && node;
1429 	     pgdat = next_online_pgdat(pgdat))
1432 	return pgdat;
1437 	pg_data_t *pgdat = (pg_data_t *)arg;
1440 	return next_online_pgdat(pgdat);
1451 static void walk_zones_in_node(struct seq_file *m, pg_data_t *pgdat,
1456 	struct zone *node_zones = pgdat->node_zones;
1465 		print(m, pgdat, zone);
1473 static void frag_show_print(struct seq_file *m, pg_data_t *pgdat,
1478 	seq_printf(m, "Node %d, zone %8s ", pgdat->node_id, zone->name);
1493 	pg_data_t *pgdat = (pg_data_t *)arg;
1494 	walk_zones_in_node(m, pgdat, true, false, frag_show_print);
1499 					pg_data_t *pgdat, struct zone *zone)
1505 					pgdat->node_id,
1544 	pg_data_t *pgdat = (pg_data_t *)arg;
1552 	walk_zones_in_node(m, pgdat, true, false, pagetypeinfo_showfree_print);
1556 					pg_data_t *pgdat, struct zone *zone)
1581 	seq_printf(m, "Node %d, zone %8s ", pgdat->node_id, zone->name);
1591 	pg_data_t *pgdat = (pg_data_t *)arg;
1597 	walk_zones_in_node(m, pgdat, true, false,
1607 static void pagetypeinfo_showmixedcount(struct seq_file *m, pg_data_t *pgdat)
1622 	walk_zones_in_node(m, pgdat, true, true,
1633 	pg_data_t *pgdat = (pg_data_t *)arg;
1636 	if (!node_state(pgdat->node_id, N_MEMORY))
1642 	pagetypeinfo_showfree(m, pgdat);
1643 	pagetypeinfo_showblockcount(m, pgdat);
1644 	pagetypeinfo_showmixedcount(m, pgdat);
1663 static bool is_zone_first_populated(pg_data_t *pgdat, struct zone *zone)
1668 		struct zone *compare = &pgdat->node_zones[zid];
1677 static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,
1681 	seq_printf(m, "Node %d, zone %8s", pgdat->node_id, zone->name);
1682 	if (is_zone_first_populated(pgdat, zone)) {
1685 			unsigned long pages = node_page_state_pages(pgdat, i);
1760 		   pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES,
1766  * Output information about zones in @pgdat.  All zones are printed regardless
1773 	pg_data_t *pgdat = (pg_data_t *)arg;
1774 	walk_zones_in_node(m, pgdat, false, false, zoneinfo_show_print);
2175 					pg_data_t *pgdat, struct zone *zone)
2182 				pgdat->node_id,
2204 	pg_data_t *pgdat = (pg_data_t *)arg;
2207 	if (!node_state(pgdat->node_id, N_MEMORY))
2210 	walk_zones_in_node(m, pgdat, true, false, unusable_show_print);
2225 					pg_data_t *pgdat, struct zone *zone)
2234 				pgdat->node_id,
2250 	pg_data_t *pgdat = (pg_data_t *)arg;
2252 	walk_zones_in_node(m, pgdat, true, false, extfrag_show_print);