K 10
svn:author
V 8
mckusick
K 8
svn:date
V 27
1985-03-07T18:38:54.000000Z
K 24
svn:entry:committed-date
V 27
1985-03-07T18:38:54.000000Z
K 7
svn:log
V 139
Add a second hand to the clock algorithm. The front hand clears the
reference bit, the back hand frees pages that are still unreferenced.


END
