1.1 --- a/src/share/vm/gc_implementation/parallelScavenge/psCompactionManager.cpp Mon Aug 31 05:27:29 2009 -0700
1.2 +++ b/src/share/vm/gc_implementation/parallelScavenge/psCompactionManager.cpp Wed Sep 02 00:04:29 2009 -0700
1.3 @@ -61,12 +61,16 @@
1.4 int size =
1.5 (SystemDictionary::number_of_classes() * 2) * 2 / ParallelGCThreads;
1.6 _revisit_klass_stack = new (ResourceObj::C_HEAP) GrowableArray<Klass*>(size, true);
1.7 + // From some experiments (#klass/k)^2 for k = 10 seems a better fit, but this will
1.8 + // have to do for now until we are able to investigate a more optimal setting.
1.9 + _revisit_mdo_stack = new (ResourceObj::C_HEAP) GrowableArray<DataLayout*>(size*2, true);
1.10
1.11 }
1.12
1.13 ParCompactionManager::~ParCompactionManager() {
1.14 delete _overflow_stack;
1.15 delete _revisit_klass_stack;
1.16 + delete _revisit_mdo_stack;
1.17 // _manager_array and _stack_array are statics
1.18 // shared with all instances of ParCompactionManager
1.19 // should not be deallocated.
1.20 @@ -195,6 +199,7 @@
1.21 void ParCompactionManager::reset() {
1.22 for(uint i=0; i<ParallelGCThreads+1; i++) {
1.23 manager_array(i)->revisit_klass_stack()->clear();
1.24 + manager_array(i)->revisit_mdo_stack()->clear();
1.25 }
1.26 }
1.27
1.28 @@ -296,6 +301,7 @@
1.29
1.30 #ifdef ASSERT
1.31 bool ParCompactionManager::stacks_have_been_allocated() {
1.32 - return (revisit_klass_stack()->data_addr() != NULL);
1.33 + return (revisit_klass_stack()->data_addr() != NULL &&
1.34 + revisit_mdo_stack()->data_addr() != NULL);
1.35 }
1.36 #endif
