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diff src/share/vm/memory/referenceProcessor.cpp @ 534:5cfd8d19e546

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6786503: Overflow list performance can be improved Summary: Avoid overflow list walk in CMS & ParNew when it is unnecessary. Fix a couple of correctness issues, including a C-heap leak, in ParNew at the intersection of promotion failure, work queue overflow and object array chunking. Add stress testing option and related assertion checking. Reviewed-by: jmasa
author ysr
date Mon, 26 Jan 2009 12:47:21 -0800
parents 27a80744a83b
children 0fbdb4381b99
line wrap: on
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--- a/src/share/vm/memory/referenceProcessor.cpp	Wed Jan 21 13:40:10 2009 -0800
+++ b/src/share/vm/memory/referenceProcessor.cpp	Mon Jan 26 12:47:21 2009 -0800
@@ -721,12 +721,6 @@
                              iter.obj(), iter.obj()->blueprint()->internal_name());
     }
     assert(iter.obj()->is_oop(UseConcMarkSweepGC), "Adding a bad reference");
-    // If discovery is concurrent, we may have objects with null referents,
-    // being those that were concurrently cleared after they were discovered
-    // (and not subsequently precleaned).
-    assert(   (discovery_is_atomic() && iter.referent()->is_oop())
-           || (!discovery_is_atomic() && iter.referent()->is_oop_or_null(UseConcMarkSweepGC)),
-           "Adding a bad referent");
     iter.next();
   }
   // Remember to keep sentinel pointer around