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diff src/share/vm/memory/generation.cpp @ 1051:26f1542097f1

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6801625: CDS: HeapDump tests crash with internal error in compactingPermGenGen.cpp Summary: 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
author ysr
date Tue, 03 Nov 2009 16:43:16 -0800
parents 0fbdb4381b99
children c18cbe5936b8
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--- a/src/share/vm/memory/generation.cpp	Fri Oct 30 13:31:11 2009 -0400
+++ b/src/share/vm/memory/generation.cpp	Tue Nov 03 16:43:16 2009 -0800
@@ -606,6 +606,13 @@
 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);
 }