ehm, ``Space Efficient Conservative Collection'', PLDI '93</a>, also available
<A HREF="papers/pldi93.ps.Z">here</a>.
<P>
During the mark phase, the collector tracks ``near misses'', i.e. attempts
to follow a ``pointer'' to just outside the garbage-collected heap, or
to a currently unallocated page inside the heap.  Pages that have been
the targets of such near misses are likely to be the targets of
misidentified ``pointers'' in the future.  To minimize the future
damage caused by such misidentifications th