acpi_os_purge_cache
status = acpi_os_purge_cache(cache);
(void)acpi_os_purge_cache(acpi_gbl_state_cache);
(void)acpi_os_purge_cache(acpi_gbl_operand_cache);
(void)acpi_os_purge_cache(acpi_gbl_ps_node_cache);
(void)acpi_os_purge_cache(acpi_gbl_ps_node_ext_cache);
acpi_status acpi_os_purge_cache(acpi_cache_t * cache);