1 files changed, 34 insertions, 27 deletions

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 22217fe2650b..b5814b4b6f35 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -32,40 +32,51 @@ extern unsigned long phys_initrd_start;
 extern unsigned long phys_initrd_size;
 
 /*
- * The sole use of this is to pass memory configuration
- * data from paging_init to mem_init.
+ * This is used to pass memory configuration data from paging_init
+ * to mem_init, and by show_mem() to skip holes in the memory map.
  */
-static struct meminfo meminfo __initdata = { 0, };
+static struct meminfo meminfo = { 0, };
+
+#define for_each_nodebank(iter,mi,no)                   \
+        for (iter = 0; iter < mi->nr_banks; iter++)     \
+                if (mi->bank[iter].node == no)
 
 void show_mem(void)
 {
         int free = 0, total = 0, reserved = 0;
-        int shared = 0, cached = 0, slab = 0, node;
+        int shared = 0, cached = 0, slab = 0, node, i;
+        struct meminfo * mi = &meminfo;
 
         printk("Mem-info:\n");
         show_free_areas();
         printk("Free swap:       %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
 
         for_each_online_node(node) {
-                struct page *page, *end;
-
-                page = NODE_MEM_MAP(node);
-                end  = page + NODE_DATA(node)->node_spanned_pages;
-
-                do {
-                        total++;
-                        if (PageReserved(page))
-                                reserved++;
-                        else if (PageSwapCache(page))
-                                cached++;
-                        else if (PageSlab(page))
-                                slab++;
-                        else if (!page_count(page))
-                                free++;
-                        else
-                                shared += page_count(page) - 1;
-                        page++;
-                } while (page < end);
+                for_each_nodebank (i,mi,node) {
+                        unsigned int pfn1, pfn2;
+                        struct page *page, *end;
+
+                        pfn1 = mi->bank[i].start >> PAGE_SHIFT;
+                        pfn2 = (mi->bank[i].size + mi->bank[i].start) >> PAGE_SHIFT;
+
+                        page = NODE_MEM_MAP(node) + pfn1;
+                        end  = NODE_MEM_MAP(node) + pfn2;
+
+                        do {
+                                total++;
+                                if (PageReserved(page))
+                                        reserved++;
+                                else if (PageSwapCache(page))
+                                        cached++;
+                                else if (PageSlab(page))
+                                        slab++;
+                                else if (!page_count(page))
+                                        free++;
+                                else
+                                        shared += page_count(page) - 1;
+                                page++;
+                        } while (page < end);
+                }
         }
 
         printk("%d pages of RAM\n", total);
@@ -76,10 +87,6 @@ void show_mem(void)
         printk("%d pages swap cached\n", cached);
 }
 
-#define for_each_nodebank(iter,mi,no)                   \
-        for (iter = 0; iter < mi->nr_banks; iter++)     \
-                if (mi->bank[iter].node == no)
-
 /*
  * FIXME: We really want to avoid allocating the bootmap bitmap
  * over the top of the initrd.  Hopefully, this is located towards