< prev index next > src/hotspot/share/gc/g1/g1FullGCPrepareTask.cpp
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#include "gc/g1/g1FullGCPrepareTask.hpp"
#include "gc/g1/g1HotCardCache.hpp"
#include "gc/g1/heapRegion.inline.hpp"
#include "gc/shared/gcTraceTime.inline.hpp"
#include "gc/shared/referenceProcessor.hpp"
+ #include "gc/shared/slidingForwarding.inline.hpp"
#include "logging/log.hpp"
#include "memory/iterator.inline.hpp"
#include "oops/oop.inline.hpp"
#include "utilities/ticks.hpp"
hcc->reset_card_counts(hr);
}
}
G1FullGCPrepareTask::G1PrepareCompactLiveClosure::G1PrepareCompactLiveClosure(G1FullGCCompactionPoint* cp) :
- _cp(cp) { }
+ _cp(cp), _forwarding(G1CollectedHeap::heap()->forwarding()) { }
size_t G1FullGCPrepareTask::G1PrepareCompactLiveClosure::apply(oop object) {
size_t size = object->size();
- _cp->forward(object, size);
+ _cp->forward(_forwarding, object, size);
return size;
}
size_t G1FullGCPrepareTask::G1RePrepareClosure::apply(oop obj) {
+ ShouldNotReachHere();
// We only re-prepare objects forwarded within the current region, so
// skip objects that are already forwarded to another region.
+ /*
oop forwarded_to = obj->forwardee();
if (forwarded_to != NULL && !_current->is_in(forwarded_to)) {
return obj->size();
}
// Get size and forward.
size_t size = obj->size();
- _cp->forward(obj, size);
+ _cp->forward(_forwarding, obj, size);
return size;
+ */
+ return 0;
}
void G1FullGCPrepareTask::G1CalculatePointersClosure::prepare_for_compaction_work(G1FullGCCompactionPoint* cp,
HeapRegion* hr) {
G1PrepareCompactLiveClosure prepare_compact(cp);
_cp->add(hr);
prepare_for_compaction_work(_cp, hr);
}
void G1FullGCPrepareTask::prepare_serial_compaction() {
- GCTraceTime(Debug, gc, phases) debug("Phase 2: Prepare Serial Compaction", collector()->scope()->timer());
+ ShouldNotReachHere(); // Disabled in Lilliput.
+ // GCTraceTime(Debug, gc, phases) debug("Phase 2: Prepare Serial Compaction", collector()->scope()->timer());
// At this point we know that no regions were completely freed by
// the parallel compaction. That means that the last region of
// all compaction queues still have data in them. We try to compact
// these regions in serial to avoid a premature OOM.
+ /*
for (uint i = 0; i < collector()->workers(); i++) {
G1FullGCCompactionPoint* cp = collector()->compaction_point(i);
if (cp->has_regions()) {
collector()->serial_compaction_point()->add(cp->remove_last());
}
}
+ */
// Update the forwarding information for the regions in the serial
// compaction point.
+ /*
G1FullGCCompactionPoint* cp = collector()->serial_compaction_point();
for (GrowableArrayIterator<HeapRegion*> it = cp->regions()->begin(); it != cp->regions()->end(); ++it) {
HeapRegion* current = *it;
if (!cp->is_initialized()) {
// Initialize the compaction point. Nothing more is needed for the first heap region
current->set_compaction_top(current->bottom());
current->apply_to_marked_objects(collector()->mark_bitmap(), &re_prepare);
}
}
cp->update();
+ */
}
bool G1FullGCPrepareTask::G1CalculatePointersClosure::freed_regions() {
if (_regions_freed) {
return true;
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