1497 		struct zone *z;  in drain_all_pages()  local
1505 			for_each_populated_zone(z) {  in drain_all_pages()
1506 				pcp = per_cpu_ptr(z->pageset, cpu);  in drain_all_pages()
1877 static bool __zone_watermark_ok(struct zone *z, unsigned int order,  in __zone_watermark_ok()  argument
1894 		free_cma = zone_page_state(z, NR_FREE_CMA_PAGES);  in __zone_watermark_ok()
1897 	if (free_pages - free_cma <= min + z->lowmem_reserve[classzone_idx])  in __zone_watermark_ok()
1901 		free_pages -= z->free_area[o].nr_free << o;  in __zone_watermark_ok()
1912 bool zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,  in zone_watermark_ok()  argument
1915 	return __zone_watermark_ok(z, order, mark, classzone_idx, alloc_flags,  in zone_watermark_ok()
1916 					zone_page_state(z, NR_FREE_PAGES));  in zone_watermark_ok()
1919 bool zone_watermark_ok_safe(struct zone *z, unsigned int order,  in zone_watermark_ok_safe()  argument
1922 	long free_pages = zone_page_state(z, NR_FREE_PAGES);  in zone_watermark_ok_safe()
1924 	if (z->percpu_drift_mark && free_pages < z->percpu_drift_mark)  in zone_watermark_ok_safe()
1925 		free_pages = zone_page_state_snapshot(z, NR_FREE_PAGES);  in zone_watermark_ok_safe()
1927 	return __zone_watermark_ok(z, order, mark, classzone_idx, alloc_flags,  in zone_watermark_ok_safe()
1996 static int zlc_zone_worth_trying(struct zonelist *zonelist, struct zoneref *z,  in zlc_zone_worth_trying()  argument
2007 	i = z - zonelist->_zonerefs;  in zlc_zone_worth_trying()
2019 static void zlc_mark_zone_full(struct zonelist *zonelist, struct zoneref *z)  in zlc_mark_zone_full()  argument
2028 	i = z - zonelist->_zonerefs;  in zlc_mark_zone_full()
2066 static int zlc_zone_worth_trying(struct zonelist *zonelist, struct zoneref *z,  in zlc_zone_worth_trying()  argument
2072 static void zlc_mark_zone_full(struct zonelist *zonelist, struct zoneref *z)  in zlc_mark_zone_full()  argument
2113 	struct zoneref *z;  in get_page_from_freelist()  local
2131 	for_each_zone_zonelist_nodemask(zone, z, zonelist, ac->high_zoneidx,  in get_page_from_freelist()
2136 			!zlc_zone_worth_trying(zonelist, z, allowednodes))  in get_page_from_freelist()
2216 				!zlc_zone_worth_trying(zonelist, z, allowednodes))  in get_page_from_freelist()
2260 			zlc_mark_zone_full(zonelist, z);  in get_page_from_freelist()
2611 	struct zoneref *z;  in wake_all_kswapds()  local
2614 	for_each_zone_zonelist_nodemask(zone, z, ac->zonelist,  in wake_all_kswapds()
3136 	struct zoneref *z;  in nr_free_zone_pages()  local
3144 	for_each_zone_zonelist(zone, z, zonelist, offset) {  in nr_free_zone_pages()
3691 	struct zone *z;  in build_zonelists_in_zone_order()  local
3699 			z = &NODE_DATA(node)->node_zones[zone_type];  in build_zonelists_in_zone_order()
3700 			if (populated_zone(z)) {  in build_zonelists_in_zone_order()
3701 				zoneref_set_zone(z,  in build_zonelists_in_zone_order()
3800 	struct zoneref *z;  in build_zonelist_cache()  local
3805 	for (z = zonelist->_zonerefs; z->zone; z++)  in build_zonelist_cache()
3806 		zlc->z_to_n[z - zonelist->_zonerefs] = zonelist_node_idx(z);  in build_zonelist_cache()
4203 	struct zone *z;  in memmap_init_zone()  local
4208 	z = &NODE_DATA(nid)->node_zones[zone];  in memmap_init_zone()
4242 		if ((z->zone_start_pfn <= pfn)  in memmap_init_zone()
4243 		    && (pfn < zone_end_pfn(z))  in memmap_init_zone()