ACPI_MTX_MEMORY
status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY);
status = acpi_ut_release_mutex(ACPI_MTX_MEMORY);
status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY);
status = acpi_ut_release_mutex(ACPI_MTX_MEMORY);
if (ACPI_FAILURE(acpi_ut_acquire_mutex(ACPI_MTX_MEMORY))) {
(void)acpi_ut_release_mutex(ACPI_MTX_MEMORY);