acpi_table_gtdt
struct acpi_table_gtdt *gtdt = acpi_gtdt_desc.gtdt;
struct acpi_table_gtdt *gtdt = acpi_gtdt_desc.gtdt;
struct acpi_table_gtdt *gtdt;
gtdt = container_of(table, struct acpi_table_gtdt, header);
struct acpi_table_gtdt *gtdt;