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6801625: CDS: HeapDump tests crash with internal error in compactingPermGenGen.cpp

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Allow iteration over the shared spaces when using CDS, repealing previous proscription. Deferred further required CDS-related cleanups of perm gen to CR 6897789.

Reviewed-by: phh, jmasa
This commit is contained in:
Y. Srinivas Ramakrishna 2009-11-03 16:43:16 -08:00
parent 56b1d0c435
commit a3e539d0da
3 changed files with 20 additions and 6 deletions
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7
hotspot/src/share/vm/memory/generation.cpp
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@ -606,6 +606,13 @@ void OneContigSpaceCardGeneration::shrink_by(size_t bytes) {
void OneContigSpaceCardGeneration::prepare_for_verify() {}
// Override for a card-table generation with one contiguous
// space. NOTE: For reasons that are lost in the fog of history,
// this code is used when you iterate over perm gen objects,
// even when one uses CDS, where the perm gen has a couple of
// other spaces; this is because CompactingPermGenGen derives
// from OneContigSpaceCardGeneration. This should be cleaned up,
// see CR 6897789..
void OneContigSpaceCardGeneration::object_iterate(ObjectClosure* blk) {
_the_space->object_iterate(blk);
}