root@OpenWrt:/lib/modules/2.4.30# insmod nfs
Using /lib/modules/2.4.30/nfs.o
insmod: unresolved symbol rpc_wake_up_task
insmod: unresolved symbol rpc_killall_tasks
insmod: unresolved symbol rpc_init_task
insmod: unresolved symbol xdr_encode_pages
insmod: unresolved symbol rpc_setbufsize
insmod: unresolved symbol nlmclnt_proc
insmod: unresolved symbol rpc_shutdown_client
insmod: unresolved symbol rpciod_up
insmod: unresolved symbol rpc_new_task
insmod: unresolved symbol rpciod_down
insmod: unresolved symbol xdr_inline_pages
insmod: unresolved symbol lockd_down
insmod: unresolved symbol rpc_restart_call
insmod: unresolved symbol rpc_clnt_sigmask
insmod: unresolved symbol lockd_up
insmod: unresolved symbol rpc_proc_unregister
insmod: unresolved symbol rpc_release_task
insmod: unresolved symbol xdr_encode_array
insmod: unresolved symbol nfs_debug
insmod: unresolved symbol rpc_create_client
insmod: unresolved symbol rpc_sleep_on
insmod: unresolved symbol rpcauth_lookupcred
insmod: unresolved symbol rpc_clnt_sigunmask
insmod: unresolved symbol rpc_delay
insmod: unresolved symbol rpc_call_setup
insmod: unresolved symbol rpc_call_sync
insmod: unresolved symbol put_rpccred
insmod: unresolved symbol xprt_destroy
insmod: unresolved symbol rpc_execute
insmod: unresolved symbol rpc_proc_register
insmod: unresolved symbol xdr_shift_buf
insmod: unresolved symbol xprt_create_proto