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diff src/share/vm/gc_implementation/concurrentMarkSweep/cmsPermGen.hpp @ 1839:e41cd7fd68a6

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6794422: Perm gen expansion policy for concurrent collectors Summary: Concurrent collectors should expand the perm gen without a full STW GC, but possibly by triggering a concurrent collection. Temporary band-aid for G1 where no concurrent collection is kicked off since the perm gen is not collected concurrently. Reviewed-by: johnc
author ysr
date Fri, 01 Oct 2010 16:12:54 -0700
parents c18cbe5936b8
children f95d63e2154a
line wrap: on
line diff
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/cmsPermGen.hpp	Thu Sep 30 12:15:13 2010 -0700
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/cmsPermGen.hpp	Fri Oct 01 16:12:54 2010 -0700
@@ -33,6 +33,10 @@
   // The "generation" view.
   ConcurrentMarkSweepGeneration* _gen;
 
+  // Override default implementation from PermGen
+  virtual HeapWord* request_expand_and_allocate(Generation* gen, size_t size,
+                                                GCCause::Cause prev_cause);
+
  public:
   CMSPermGen(ReservedSpace rs, size_t initial_byte_size,
              CardTableRS* ct, FreeBlockDictionary::DictionaryChoice);