does kernel omap3 supports usbfs?

Hello,

I try to use usbfs and I do not know if everything is correct. Does my kernel supports usbfs? I use
Linux beagleboard 2.6.22.18-omap3 #1 Thu Jul 24 15:29:36 IST 2008 armv7l unknown
The relevant part of my fstab:
usbfs /proc/bus/usb usbfs auto,devmode=0666 0 0

But:
root@beagleboard:~# df -h
Filesystem Size Used Available Use% Mounted on
rootfs 3.6G 1.9G 1.5G 55% /
/dev/root 3.6G 1.9G 1.5G 55% /
none 61.6M 108.0k 61.5M 0% /dev
tmpfs 61.6M 108.0k 61.5M 0% /var/volatile
tmpfs 61.6M 0 61.6M 0% /dev/shm
tmpfs 61.6M 0 61.6M 0% /media/ram

mtab says:
root@beagleboard:~# cat /etc/mtab
rootfs / rootfs rw 0 0
/dev/root / ext2 rw 0 0
/proc /proc proc rw 0 0
sysfs /sys sysfs rw 0 0
none /dev tmpfs rw 0 0
devpts /dev/pts devpts rw 0 0
usbfs /proc/bus/usb usbfs rw 0 0
tmpfs /var/volatile tmpfs rw 0 0
tmpfs /dev/shm tmpfs rw 0 0
tmpfs /media/ram tmpfs rw 0 0

Do I have usbfs or not?

Robert