Index: sys/compat/linuxkpi/common/include/linux/mm.h
===================================================================
--- sys/compat/linuxkpi/common/include/linux/mm.h
+++ sys/compat/linuxkpi/common/include/linux/mm.h
@@ -210,14 +210,6 @@
 	vm_page_dirty(page);
 }
 
-static inline void
-set_page_dirty_lock(struct vm_page *page)
-{
-	vm_page_lock(page);
-	vm_page_dirty(page);
-	vm_page_unlock(page);
-}
-
 static inline void
 mark_page_accessed(struct vm_page *page)
 {