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This commit is contained in:
John R Rose 2009-09-23 23:56:15 -07:00
commit 40d52710f6
99 changed files with 66717 additions and 1266 deletions
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8
hotspot/src/share/vm/memory/genMarkSweep.cpp
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@ -162,6 +162,9 @@ void GenMarkSweep::allocate_stacks() {
int size = SystemDictionary::number_of_classes() * 2;
_revisit_klass_stack = new (ResourceObj::C_HEAP) GrowableArray<Klass*>(size, true);
// (#klass/k)^2 for k ~ 10 appears to be a better fit, but this will have to do for
// now until we have had a chance to investigate a more optimal setting.
_revisit_mdo_stack = new (ResourceObj::C_HEAP) GrowableArray<DataLayout*>(2*size, true);
#ifdef VALIDATE_MARK_SWEEP
if (ValidateMarkSweep) {
@ -206,6 +209,7 @@ void GenMarkSweep::deallocate_stacks() {
delete _marking_stack;
delete _revisit_klass_stack;
delete _revisit_mdo_stack;
#ifdef VALIDATE_MARK_SWEEP
if (ValidateMarkSweep) {
@ -265,6 +269,10 @@ void GenMarkSweep::mark_sweep_phase1(int level,
follow_weak_klass_links();
assert(_marking_stack->is_empty(), "just drained");
// Visit memoized MDO's and clear any unmarked weak refs
follow_mdo_weak_refs();
assert(_marking_stack->is_empty(), "just drained");
// Visit symbol and interned string tables and delete unmarked oops
SymbolTable::unlink(&is_alive);
StringTable::unlink(&is_alive);