"Ingo Molnar announced version 20 of his Completely Fair
Scheduler patchset, offering further cleanups for the new scheduler
code that will be part of the upcoming 2.6.23 kernel, 'there have
been lots of small regression fixes, speedups, debug enhancements
and tidy-ups--many of which can be user-visible.' Ingo went on to
"'There are nearly 100 changes--they do add up to a significant
total linecount change. There was no crash bug or hang bug found in
the CFS code since v19 was released...'"