Index: sys/compat/linuxkpi/common/include/linux/pagemap.h
===================================================================
--- sys/compat/linuxkpi/common/include/linux/pagemap.h
+++ sys/compat/linuxkpi/common/include/linux/pagemap.h
@@ -42,4 +42,9 @@
 		put_page(pages[i]);
 }
 
+static inline void
+mapping_clear_unevictable(vm_object_t mapping)
+{
+}
+
 #endif