diff --git a/include/linux/pci.h b/include/linux/pci.h
index 98c8765..2c4b684 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -854,5 +854,8 @@
 #define PCIPCI_ALIMAGIK		32	/* Need low latency setting */
 #define PCIAGP_FAIL		64	/* No PCI to AGP DMA */
 
+extern unsigned long pci_cardbus_io_size;
+extern unsigned long pci_cardbus_mem_size;
+
 #endif /* __KERNEL__ */
 #endif /* LINUX_PCI_H */