[root@localhost realtime-lsm-0.8.7]# modprobe realtime mlock=1 gid=81
FATAL: Error inserting realtime (/lib/modules/2.6.12-24mdkcustom/extra/realtime.ko): Unknown symbol in module, or unknown parameter (see dmesg)

[root@localhost realtime-lsm-0.8.7]# insmod realtime 
insmod: can't read 'realtime': No such file or directory

[root@localhost realtime-lsm-0.8.7]# insmod realtime.ko
[root@localhost realtime-lsm-0.8.7]# depmod -a
[root@localhost realtime-lsm-0.8.7]# modprobe realtime mlock=1 gid=81
[root@localhost realtime-lsm-0.8.7]#