1 files changed, 48 insertions, 0 deletions

diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 88504abf5704..25c350264a41 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -684,3 +684,51 @@ per_linux32_init(void)
 }
 
 __initcall(per_linux32_init);
+
+/**
+ * show_mem - give short summary of memory stats
+ *
+ * Shows a simple page count of reserved and used pages in the system.
+ * For discontig machines, it does this on a per-pgdat basis.
+ */
+void show_mem(unsigned int filter)
+{
+        int total_reserved = 0;
+        unsigned long total_present = 0;
+        pg_data_t *pgdat;
+
+        printk(KERN_INFO "Mem-info:\n");
+        show_free_areas(filter);
+        printk(KERN_INFO "Node memory in pages:\n");
+        for_each_online_pgdat(pgdat) {
+                unsigned long present;
+                unsigned long flags;
+                int reserved = 0;
+                int nid = pgdat->node_id;
+                int zoneid;
+
+                if (skip_free_areas_node(filter, nid))
+                        continue;
+                pgdat_resize_lock(pgdat, &flags);
+
+                for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) {
+                        struct zone *zone = &pgdat->node_zones[zoneid];
+                        if (!populated_zone(zone))
+                                continue;
+
+                        reserved += zone->present_pages - zone->managed_pages;
+                }
+                present = pgdat->node_present_pages;
+
+                pgdat_resize_unlock(pgdat, &flags);
+                total_present += present;
+                total_reserved += reserved;
+                printk(KERN_INFO "Node %4d:  RAM: %11ld, rsvd: %8d, ",
+                       nid, present, reserved);
+        }
+        printk(KERN_INFO "%ld pages of RAM\n", total_present);
+        printk(KERN_INFO "%d reserved pages\n", total_reserved);
+        printk(KERN_INFO "Total of %ld pages in page table cache\n",
+               quicklist_total_size());
+        printk(KERN_INFO "%ld free buffer pages\n", nr_free_buffer_pages());
+}