diff --git a/sys/compat/linuxkpi/common/include/linux/mm.h b/sys/compat/linuxkpi/common/include/linux/mm.h
--- a/sys/compat/linuxkpi/common/include/linux/mm.h
+++ b/sys/compat/linuxkpi/common/include/linux/mm.h
@@ -98,7 +98,7 @@
 #define fault_flag_allow_retry_first(flags) \
 	(((flags) & (FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_TRIED)) == FAULT_FLAG_ALLOW_RETRY)
 
-typedef int (*pte_fn_t)(linux_pte_t *, pgtable_t, unsigned long addr, void *data);
+typedef int (*pte_fn_t)(linux_pte_t *, unsigned long addr, void *data);
 
 struct vm_area_struct {
 	vm_offset_t vm_start;