Index: sys/compat/linuxkpi/common/include/linux/pci.h
===================================================================
--- sys/compat/linuxkpi/common/include/linux/pci.h
+++ sys/compat/linuxkpi/common/include/linux/pci.h
@@ -1050,4 +1050,16 @@
     const struct pci_device_id *, struct pci_dev *);
 extern int linux_pci_detach_device(struct pci_dev *);
 
+static inline int
+pci_dev_present(const struct pci_device_id *cur)
+{
+	while (cur && (cur->vendor || cur->device)) {
+		if (pci_find_device(cur->vendor, cur->device) != NULL) {
+			return 1;
+		}
+		cur++;
+	}
+	return 0;
+}
+
 #endif	/* _LINUX_PCI_H_ */
Index: sys/compat/linuxkpi/common/include/linux/srcu.h
===================================================================
--- sys/compat/linuxkpi/common/include/linux/srcu.h
+++ sys/compat/linuxkpi/common/include/linux/srcu.h
@@ -49,4 +49,7 @@
 extern int init_srcu_struct(struct srcu_struct *);
 extern void cleanup_srcu_struct(struct srcu_struct *);
 
+#define	synchronize_srcu_expedited(srcu) do {	\
+	synchronize_srcu(srcu);			\
+} while (0)
 #endif					/* _LINUX_SRCU_H_ */