diff --git a/sys/compat/linuxkpi/common/include/linux/highmem.h b/sys/compat/linuxkpi/common/include/linux/highmem.h
--- a/sys/compat/linuxkpi/common/include/linux/highmem.h
+++ b/sys/compat/linuxkpi/common/include/linux/highmem.h
@@ -50,6 +50,7 @@
 static inline vm_page_t
 kmap_to_page(void *addr)
 {
+
 	return (virt_to_page(addr));
 }
 
@@ -88,9 +89,17 @@
 static inline void *
 kmap_atomic(vm_page_t page)
 {
+
 	return (kmap_atomic_prot(page, VM_PROT_ALL));
 }
 
+static inline void *
+kmap_local_page_prot(vm_page_t page, pgprot_t prot)
+{
+
+	return (kmap_atomic_prot(page, prot));
+}
+
 static inline void
 kunmap(vm_page_t page)
 {
@@ -111,8 +120,16 @@
 static inline void
 kunmap_atomic(void *vaddr)
 {
+
 	if (!PMAP_HAS_DMAP)
 		kunmap(virt_to_page(vaddr));
 }
 
+static inline void
+kunmap_local(void *addr)
+{
+
+	kunmap_atomic(addr);
+}
+
 #endif	/* _LINUXKPI_LINUX_HIGHMEM_H_ */