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diff src/share/vm/services/memTrackWorker.hpp @ 6231:7e5976e66c62

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7182543: NMT ON: Aggregate a few NMT related bugs Summary: 1) Fixed MemTrackWorker::generations_in_used() calculation 2) Ensured NMT not to leak memory recorders after shutdown 3) Used ThreadCritical to block safepoint safe threads Reviewed-by: acorn, coleenp, dholmes, kvn
author zgu
date Thu, 19 Jul 2012 09:05:42 -0400
parents d2a62e0f25eb
children ecd24264898b
line wrap: on
line diff
--- a/src/share/vm/services/memTrackWorker.hpp	Wed Jul 04 15:55:45 2012 -0400
+++ b/src/share/vm/services/memTrackWorker.hpp	Thu Jul 19 09:05:42 2012 -0400
@@ -67,7 +67,7 @@
   NOT_PRODUCT(int _last_gen_in_use;)
 
   inline int generations_in_use() const {
-    return (_tail <= _head ? (_head - _tail + 1) : (MAX_GENERATIONS - (_tail - _head) + 1));
+    return (_tail >= _head ? (_tail - _head + 1) : (MAX_GENERATIONS - (_head - _tail) + 1));
   }
 };