linux-master/mm/page_alloc.c

1305 	atomic_long_add(nr_pages, &page_zone(page)->managed_pages);
4915  *     nr_free_zone_pages = managed_pages - high_pages
5583  * The zone indicated has a new number of managed_pages; batch sizes and percpu
5675 	atomic_long_add(count, &page_zone(page)->managed_pages);
5788 			unsigned long managed_pages = zone_managed_pages(zone);
5799 			if (max > managed_pages)
5800 				max = managed_pages;
5826 			unsigned long managed_pages = 0;
5831 				managed_pages += zone_managed_pages(upper_zone);
5836 					zone->lowmem_reserve[j] = managed_pages / ratio;