Index: head/sys/vm/vm_map.h
===================================================================
--- head/sys/vm/vm_map.h
+++ head/sys/vm/vm_map.h
@@ -206,6 +206,11 @@
 #define	MAP_BUSY_WAKEUP		0x02
 
 #ifdef	_KERNEL
+#ifdef KLD_MODULE
+#define	vm_map_max(map)		vm_map_max_KBI((map))
+#define	vm_map_min(map)		vm_map_min_KBI((map))
+#define	vm_map_pmap(map)	vm_map_pmap_KBI((map))
+#else
 static __inline vm_offset_t
 vm_map_max(const struct vm_map *map)
 {
@@ -229,6 +234,7 @@
 {
 	map->flags = (map->flags | set) & ~clear;
 }
+#endif	/* KLD_MODULE */
 #endif	/* _KERNEL */
 
 /*
@@ -289,6 +295,9 @@
 void vm_map_busy(vm_map_t map);
 void vm_map_unbusy(vm_map_t map);
 void vm_map_wait_busy(vm_map_t map);
+vm_offset_t vm_map_max_KBI(const struct vm_map *map);
+vm_offset_t vm_map_min_KBI(const struct vm_map *map);
+pmap_t vm_map_pmap_KBI(vm_map_t map);
 
 #define	vm_map_lock(map)	_vm_map_lock(map, LOCK_FILE, LOCK_LINE)
 #define	vm_map_unlock(map)	_vm_map_unlock(map, LOCK_FILE, LOCK_LINE)
Index: head/sys/vm/vm_map.c
===================================================================
--- head/sys/vm/vm_map.c
+++ head/sys/vm/vm_map.c
@@ -4315,6 +4315,27 @@
 	vm_map_unlock_read(map);
 }
 
+vm_offset_t
+vm_map_max_KBI(const struct vm_map *map)
+{
+
+	return (map->max_offset);
+}
+
+vm_offset_t
+vm_map_min_KBI(const struct vm_map *map)
+{
+
+	return (map->min_offset);
+}
+
+pmap_t
+vm_map_pmap_KBI(vm_map_t map)
+{
+
+	return (map->pmap);
+}
+
 #include "opt_ddb.h"
 #ifdef DDB
 #include <sys/kernel.h>