TUNABLE_STR
TUNABLE_STR("hw.acpi.osname", acpi_osname, sizeof(acpi_osname));
TUNABLE_STR("hw.acpi.install_interface", acpi_install_interface,
TUNABLE_STR("hw.acpi.remove_interface", acpi_remove_interface,
TUNABLE_STR("drm.edid_firmware", edidfw_tun, sizeof(edidfw_tun));
TUNABLE_STR("hw.em.flow_ctrl", em_flowctrl, sizeof(em_flowctrl));
TUNABLE_STR("hw.emx.flow_ctrl", emx_flowctrl, sizeof(emx_flowctrl));
TUNABLE_STR("hw.igb.flow_ctrl", igb_flowctrl, sizeof(igb_flowctrl));
TUNABLE_STR("hw.ix.flow_ctrl", ix_flowctrl, sizeof(ix_flowctrl));
TUNABLE_STR("hw.mxge.flow_ctrl", mxge_flowctrl, sizeof(mxge_flowctrl));
TUNABLE_STR("module_path", linker_path, sizeof(linker_path));