diff --git a/sandbox/base/memory_test.c b/sandbox/base/memory_test.c
index fce87f7..b5a3fa4 100644
--- a/sandbox/base/memory_test.c
+++ b/sandbox/base/memory_test.c
@@ -1,3 +1,4 @@
+#include <stdint.h>
 #include <stdio.h>
 #include <stddef.h>
 #include <stdlib.h>
@@ -41,6 +42,37 @@ static struct mem_map_region mem_map[] = {
 /* virtual address of where system memory is mapped */
 static void *system_memory = NULL;
 
+static void print_zone_pages(vm_zone_t *z)
+{
+	for (int i = VM_PAGE_MIN_ORDER; i <= VM_PAGE_MAX_ORDER; i++) {
+		queue_foreach (vm_page_t, pg, &z->z_free_pages[i], p_free_list) {
+			printf(" * %08zx (%s, order %u, 0x%zx bytes)\n",
+			       vm_page_get_paddr(pg),
+			       z->z_info.zd_name,
+			       pg->p_order,
+			       vm_page_order_to_bytes(pg->p_order));
+		}
+	}
+}
+
+static void print_all_pages(void)
+{
+	for (phys_addr_t i = 0; i < UINTPTR_MAX; ) {
+		vm_page_t *pg = vm_page_get(i);
+		if (!pg) {
+			break;
+		}
+
+		printf(" * %08" PRIxPTR ": %s order-%u (%zu bytes) %s\n",
+			i,
+			pg->p_zone ? pg->p_zone->z_info.zd_name : "[none]",
+			pg->p_order,
+			vm_page_order_to_bytes(pg->p_order),
+			pg->p_flags & VM_PAGE_RESERVED ? "reserved" : "free");
+		i += vm_page_order_to_bytes(pg->p_order);
+	}
+}
+
 int memory_test(void)
 {
 	srand(time(NULL));
@@ -127,6 +159,15 @@ int memory_test(void)
 				it.it_limit);
 	}
 
+	vm_pg_data_t *pg_data = vm_pg_data_get(0);
+	printf("free pages:\n");
+	for (int i = VM_ZONE_MIN; i <= VM_ZONE_MAX; i++) {
+		print_zone_pages(&pg_data->pg_zones[i]);
+	}
+
+	printf("all pages:\n");
+	print_all_pages();
+
 	munmap(system_memory, MB_TO_BYTES(MEMORY_SIZE_MB));
 	return 0;
 }