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6964458: Reimplement class meta-data storage to use native memory

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Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
This commit is contained in:
Jon Masamitsu 2012-09-01 13:25:18 -04:00 • committed by Coleen Phillimore
parent 36eee7c8c8
commit 5c58d27aac
853 changed files with 26124 additions and 82956 deletions
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5
hotspot/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.cpp
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@ -199,7 +199,6 @@ void PSPromotionManager::drain_stacks_depth(bool totally_drain) {
assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity");
MutableSpace* to_space = heap->young_gen()->to_space();
MutableSpace* old_space = heap->old_gen()->object_space();
MutableSpace* perm_space = heap->perm_gen()->object_space();
#endif /* ASSERT */
OopStarTaskQueue* const tq = claimed_stack_depth();
@ -318,11 +317,11 @@ oop PSPromotionManager::oop_promotion_failed(oop obj, markOop obj_mark) {
obj = obj->forwardee();
}
#ifdef DEBUG
#ifndef PRODUCT
if (TraceScavenge) {
gclog_or_tty->print_cr("{%s %s 0x%x (%d)}",
"promotion-failure",
obj->blueprint()->internal_name(),
obj->klass()->internal_name(),
obj, obj->size());
}