Reliably Erasing Data from Flash-Based Solid State Drives

[NoOp]

When you think you've erased that USB flash drive or SSD card, think
again. See:
http://www.theregister.co.uk/2011/02/21/flash_drive_erasing_peril/
http://www.usenix.org/events/fast11/tech/tech.html#Wei
http://www.usenix.org/events/fast11/tech/full_papers/Wei.pdf
  [very interesting read]

The PDF mentions "Applies patches to the Linux kernel from version 2.6.0
to 2.6.29" but no clue as to what they are referring to. Anyone know of
an Ubuntu/linux utility/patch that might be effective?