ACPI_SIG_NHLT
.signature = ACPI_SIG_NHLT,
status = acpi_get_table(ACPI_SIG_NHLT, 0, (struct acpi_table_header **)(&acpi_gbl_nhlt));
ACPI_SIG_NHLT, ACPI_SIG_AEST, ACPI_SIG_CEDT, ACPI_SIG_AGDI,
status = acpi_get_table(ACPI_SIG_NHLT, 0,