ree lists.
The local free lists are also linked using the first word in the object.
In most cases this means they require considerably less time.
<P>
Local free lists are treated buy most of the rest of the collector
as though they were in-use reachable data.  This requires some care,
since pointer-free objects are not normally traced, and hence a special
tracing procedure is required to mark all objects on pointer-free and
gcj local free lists.
<P>
On thread exit, any remaining thread-local free list entri