kernel/vm/VMAnonymousCache.cpp

1598 	dev_t swapDeviceID = -1;
1658 		swapDeviceID = gBootDevice;
1666 	if (!swapAutomatic && swapDeviceID < 0) {
1687 				swapDeviceID = visitor.fBestPartition->VolumeID();
1694 				swapDeviceID = _kern_mount(mountPath, devPath.Path(),
1696 				if (swapDeviceID < 0) {
1704 	if (swapDeviceID < 0)
1705 		swapDeviceID = gBootDevice;
1707 	// We now have a swapDeviceID which is used for the swap file
1711 	_kern_read_fs_info(swapDeviceID, &info);
1712 	if (swapDeviceID == gBootDevice)