To control the actions of the garbage collector, use the symbols
avoid-gc
,
get-gc-parameters
,
gc-if-needed
,
mark-and-sweep
,
normal-gc
,
set-gc-parameters
,
without-interrupts
and
with-heavy-allocation
.
To control expansion, use
enlarge-generation
.
To control fragmentation, use
check-fragmentation
with
try-move-in-generation
or
try-compact-in-generation
.