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8072061: Automatically determine optimal sizes for the CDS regions

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See new C++ class MetaspaceClosure.

Reviewed-by: coleenp, jiangli, mseledtsov
This commit is contained in:
Ioi Lam 2017-08-02 18:06:38 -07:00
parent 4b983a51fd
commit f7f193ae71
82 changed files with 2010 additions and 1622 deletions
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12
hotspot/src/share/vm/oops/arrayKlass.cpp
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@ -29,6 +29,7 @@
#include "gc/shared/collectedHeap.inline.hpp"
#include "gc/shared/gcLocker.hpp"
#include "jvmtifiles/jvmti.h"
#include "memory/metaspaceClosure.hpp"
#include "memory/resourceArea.hpp"
#include "memory/universe.inline.hpp"
#include "oops/arrayKlass.hpp"
@ -173,6 +174,17 @@ jint ArrayKlass::jvmti_class_status() const {
return JVMTI_CLASS_STATUS_ARRAY;
}
void ArrayKlass::metaspace_pointers_do(MetaspaceClosure* it) {
Klass::metaspace_pointers_do(it);
ResourceMark rm;
log_trace(cds)("Iter(ArrayKlass): %p (%s)", this, external_name());
// need to cast away volatile
it->push((Klass**)&_higher_dimension);
it->push((Klass**)&_lower_dimension);
}
void ArrayKlass::remove_unshareable_info() {
Klass::remove_unshareable_info();
}