mem_region_show
rc = mem_region_show(memory[idx], meminfo_buff->avail[lo].base,
rc = mem_region_show(region[idx], meminfo_buff->mem[i].base,
rc = mem_region_show("uP RAM:", meminfo_buff->up_ram_lo,
rc = mem_region_show("uP Extmem2:", meminfo_buff->up_extmem2_lo,