[S390] Remove open-coded mem_map usage.

Use page_to_phys and pfn_to_page to avoid open-coded mem_map usage.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index c302508ae31e..d99891718709 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -62,19 +62,21 @@ void show_mem(void)
 {
         int i, total = 0, reserved = 0;
         int shared = 0, cached = 0;
+        struct page *page;
 
         printk("Mem-info:\n");
         show_free_areas();
         printk("Free swap:       %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
         i = max_mapnr;
         while (i-- > 0) {
+                page = pfn_to_page(i);
                 total++;
-                if (PageReserved(mem_map+i))
+                if (PageReserved(page))
                         reserved++;
-                else if (PageSwapCache(mem_map+i))
+                else if (PageSwapCache(page))
                         cached++;
-                else if (page_count(mem_map+i))
-                        shared += page_count(mem_map+i) - 1;
+                else if (page_count(page))
+                        shared += page_count(page) - 1;
         }
         printk("%d pages of RAM\n",total);
         printk("%d reserved pages\n",reserved);