Index: sys/fs/nfs/nfsm_subs.h
===================================================================
--- sys/fs/nfs/nfsm_subs.h
+++ sys/fs/nfs/nfsm_subs.h
@@ -37,6 +37,7 @@
 #ifndef _NFS_NFSM_SUBS_H_
 #define	_NFS_NFSM_SUBS_H_
 
+#include <vm/pmap.h>
 
 /*
  * These macros do strange and peculiar things to mbuf chains for