Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394...

[pandora-kernel.git] / arch / s390 / mm / init.c

diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 29f3a63..388cc74 100644 (file)
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -44,37 +44,34 @@ char  empty_zero_page[PAGE_SIZE] __attribute__((__aligned__(PAGE_SIZE)));
 
 void show_mem(void)
 {
-       int i, total = 0, reserved = 0;
-       int shared = 0, cached = 0;
+       unsigned long i, total = 0, reserved = 0;
+       unsigned long shared = 0, cached = 0;
+       unsigned long flags;
        struct page *page;
+       pg_data_t *pgdat;
 
        printk("Mem-info:\n");
        show_free_areas();
-       i = max_mapnr;
-       while (i-- > 0) {
-               if (!pfn_valid(i))
-                       continue;
-               page = pfn_to_page(i);
-               total++;
-               if (PageReserved(page))
-                       reserved++;
-               else if (PageSwapCache(page))
-                       cached++;
-               else if (page_count(page))
-                       shared += page_count(page) - 1;
+       for_each_online_pgdat(pgdat) {
+               pgdat_resize_lock(pgdat, &flags);
+               for (i = 0; i < pgdat->node_spanned_pages; i++) {
+                       if (!pfn_valid(pgdat->node_start_pfn + i))
+                               continue;
+                       page = pfn_to_page(pgdat->node_start_pfn + i);
+                       total++;
+                       if (PageReserved(page))
+                               reserved++;
+                       else if (PageSwapCache(page))
+                               cached++;
+                       else if (page_count(page))
+                               shared += page_count(page) - 1;
+               }
+               pgdat_resize_unlock(pgdat, &flags);
        }
-       printk("%d pages of RAM\n", total);
-       printk("%d reserved pages\n", reserved);
-       printk("%d pages shared\n", shared);
-       printk("%d pages swap cached\n", cached);
-
-       printk("%lu pages dirty\n", global_page_state(NR_FILE_DIRTY));
-       printk("%lu pages writeback\n", global_page_state(NR_WRITEBACK));
-       printk("%lu pages mapped\n", global_page_state(NR_FILE_MAPPED));
-       printk("%lu pages slab\n",
-              global_page_state(NR_SLAB_RECLAIMABLE) +
-              global_page_state(NR_SLAB_UNRECLAIMABLE));
-       printk("%lu pages pagetables\n", global_page_state(NR_PAGETABLE));
+       printk("%ld pages of RAM\n", total);
+       printk("%ld reserved pages\n", reserved);
+       printk("%ld pages shared\n", shared);
+       printk("%ld pages swap cached\n", cached);
 }
 
 /*
@@ -205,3 +202,22 @@ void free_initrd_mem(unsigned long start, unsigned long end)
         }
 }
 #endif
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+int arch_add_memory(int nid, u64 start, u64 size)
+{
+       struct pglist_data *pgdat;
+       struct zone *zone;
+       int rc;
+
+       pgdat = NODE_DATA(nid);
+       zone = pgdat->node_zones + ZONE_NORMAL;
+       rc = vmem_add_mapping(start, size);
+       if (rc)
+               return rc;
+       rc = __add_pages(zone, PFN_DOWN(start), PFN_DOWN(size));
+       if (rc)
+               vmem_remove_mapping(start, size);
+       return rc;
+}
+#endif /* CONFIG_MEMORY_HOTPLUG */