[PATCH] compile fix for mm/init.c

Fix another page->count reference (in addition to numa.c one
that I've sent earlier).

Ivan.

arch/alpha/mm/init.c

@@ -117,7 +117,7 @@ show_mem(void)
 		else if (!page_count(mem_map+i))
 			free++;
 		else
-			shared += atomic_read(&mem_map[i].count) - 1;
+			shared += page_count(mem_map + i) - 1;
 	}
 	printk("%ld pages of RAM\n",total);
 	printk("%ld free pages\n",free);