diff --git a/include/linux/pci.h b/include/linux/pci.h
index b849861..da4128f 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -701,6 +701,7 @@
 void pci_set_master(struct pci_dev *dev);
 void pci_clear_master(struct pci_dev *dev);
 int pci_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state);
+int pci_set_cacheline_size(struct pci_dev *dev);
 #define HAVE_PCI_SET_MWI
 int __must_check pci_set_mwi(struct pci_dev *dev);
 int pci_try_set_mwi(struct pci_dev *dev);