From: Andrew Morton <akpm@osdl.org>

fs/built-in.o:(__param+0x20): undefined reference to `nfs_idmap_cache_timeout'
fs/built-in.o:(__param+0x48): undefined reference to `nfs_callback_set_tcpport'

Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andreas Gruenbacher <agruen@suse.de>
Cc: Andy Adamson <andros@citi.umich.edu>
Cc: Chuck Lever <cel@netapp.com>
Cc: David Howells <dhowells@redhat.com>
Cc: J. Bruce Fields <bfields@fieldses.org>
Cc: Manoj Naik <manoj@almaden.ibm.com>
Cc: Marc Eshel <eshel@almaden.ibm.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 fs/nfs/super.c |    4 ++++
 nfs/sysctl.c   |    0 
 2 files changed, 4 insertions(+)

diff -puN fs/nfs/Makefile~nfs-build-fix-99 fs/nfs/Makefile
diff -puN fs/nfs/super.c~nfs-build-fix-99 fs/nfs/super.c
--- a/fs/nfs/super.c~nfs-build-fix-99
+++ a/fs/nfs/super.c
@@ -187,6 +187,7 @@ static struct super_operations nfs4_sops
 };
 #endif
 
+#ifdef CONFIG_NFS_V4
 static const int nfs_set_port_min = 0;
 static const int nfs_set_port_max = 65535;
 
@@ -202,7 +203,9 @@ static int param_set_port(const char *va
 
 module_param_call(callback_tcpport, param_set_port, param_get_int,
 		 &nfs_callback_set_tcpport, 0644);
+#endif
 
+#ifdef CONFIG_NFS_V4
 static int param_set_idmap_timeout(const char *val, struct kernel_param *kp)
 {
 	char *endp;
@@ -216,6 +219,7 @@ static int param_set_idmap_timeout(const
 
 module_param_call(idmap_cache_timeout, param_set_idmap_timeout, param_get_int,
 		 &nfs_idmap_cache_timeout, 0644);
+#endif
 
 /*
  * Register the NFS filesystems
diff -puN fs/nfs/sysctl.c~nfs-build-fix-99 fs/nfs/sysctl.c
_