insmod: ERROR:

[LongTengYiFei]

insmod: ERROR: could not insert module dm-dedup.ko: Unknown symbol in module

[ 790.030181] dm_dedup: Unknown symbol dm_btree_insert_notify (err 0)
[ 790.030184] dm_dedup: Unknown symbol dm_bm_read_lock (err 0)
[ 790.030188] dm_dedup: Unknown symbol dm_tm_create_with_sm (err 0)
[ 790.030192] dm_dedup: Unknown symbol dm_sm_disk_create (err 0)
[ 790.030196] dm_dedup: Unknown symbol dm_bm_write_lock_zero (err 0)
[ 790.030200] dm_dedup: Unknown symbol dm_btree_lookup (err 0)
[ 790.030203] dm_dedup: Unknown symbol dm_tm_destroy (err 0)
[ 790.030210] dm_dedup: Unknown symbol dm_bm_write_lock (err 0)
[ 790.030215] dm_dedup: Unknown symbol dm_btree_find_lowest_key (err 0)
[ 790.030221] dm_dedup: Unknown symbol dm_block_manager_destroy (err 0)
[ 790.030225] dm_dedup: Unknown symbol dm_bm_checksum (err 0)
[ 790.030230] dm_dedup: Unknown symbol dm_btree_empty (err 0)
[ 790.030234] dm_dedup: Unknown symbol dm_sm_disk_open (err 0)
[ 790.030237] dm_dedup: Unknown symbol dm_tm_commit (err 0)
[ 790.030243] dm_dedup: Unknown symbol dm_bm_block_size (err 0)
[ 790.030246] dm_dedup: Unknown symbol dm_btree_find_highest_key (err 0)
[ 790.030249] dm_dedup: Unknown symbol dm_btree_lookup_next (err 0)
[ 790.030255] dm_dedup: Unknown symbol dm_btree_remove (err 0)
[ 790.030258] dm_dedup: Unknown symbol dm_bm_unlock (err 0)
[ 790.030263] dm_dedup: Unknown symbol dm_tm_open_with_sm (err 0)