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-rw-r--r--sys/vm/vm_kern.h17
1 files changed, 11 insertions, 6 deletions
diff --git a/sys/vm/vm_kern.h b/sys/vm/vm_kern.h
index ed0abc0f97ac..788c175619cf 100644
--- a/sys/vm/vm_kern.h
+++ b/sys/vm/vm_kern.h
@@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)vm_kern.h 7.2 (Berkeley) 4/21/91
- * $Id: vm_kern.h,v 1.2 1993/10/16 16:20:31 rgrimes Exp $
+ * $Id: vm_kern.h,v 1.4 1993/12/19 00:56:02 wollman Exp $
*/
/*
@@ -64,6 +64,9 @@
* rights to redistribute these changes.
*/
+#ifndef _VM_VM_KERN_H_
+#define _VM_VM_KERN_H_ 1
+
/*
* Kernel memory management definitions.
*/
@@ -79,8 +82,10 @@ vm_offset_t vm_move();
vm_offset_t kmem_alloc_wait();
void kmem_free_wakeup();
-vm_map_t kernel_map;
-vm_map_t mb_map;
-vm_map_t kmem_map;
-vm_map_t phys_map;
-vm_map_t buffer_map;
+extern vm_map_t kernel_map;
+extern vm_map_t mb_map;
+extern vm_map_t kmem_map;
+extern vm_map_t phys_map;
+extern vm_map_t buffer_map;
+
+#endif /* _VM_VM_KERN_H_ */