PSPermGen::PSPermGen(ReservedSpace rs, size_t alignment,
size_t initial_size, size_t min_size, size_t max_size,
const char* gen_name, int level) :
PSOldGen(rs, alignment, initial_size, min_size, max_size, gen_name, level),
_last_used(0)
{
assert(object_mark_sweep() != NULL, "Sanity");
object_mark_sweep()->set_allowed_dead_ratio(PermMarkSweepDeadRatio);
_avg_size = new AdaptivePaddedAverage(AdaptivePermSizeWeight,
PermGenPadding);
}
void PSOldGen::precompact() {
ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity");
// Reset start array first.
_start_array.reset();
object_mark_sweep()->precompact();
// Now compact the young gen
heap->young_gen()->precompact();
}
void PSPermGen::precompact() {
// Reset start array first.
_start_array.reset();
object_mark_sweep()->precompact();
}
void PSOldGen::compact() {
object_mark_sweep()->compact(ZapUnusedHeapArea);
}
void PSOldGen::adjust_pointers() {
object_mark_sweep()->adjust_pointers();
}