zones_size[ZONE_DMA] = MAX_LOW_PFN - START_PFN;
NODE_DATA(0)->node_mem_map = NULL;
free_area_init_node(0, NODE_DATA(0), zones_size, __MEMORY_START >> PAGE_SHIFT, 0);
zones_size[ZONE_DMA] = MAX_LOW_PFN - START_PFN;
NODE_DATA(0)->node_mem_map = NULL;
free_area_init_node(0, NODE_DATA(0), zones_size, __MEMORY_START >> PAGE_SHIFT, 0);