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diff src/share/vm/gc_implementation/g1/dirtyCardQueue.cpp @ 24178:ab892d05b029

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8161993: G1 crashes if active_processor_count changes during startup Summary: Use the initial active processor count for memory initialization instead of the current active one. Reviewed-by: dholmes, mgerdin
author tschatzl
date Thu, 15 Dec 2016 20:00:01 -0500
parents 570cb6369f17
children
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--- a/src/share/vm/gc_implementation/g1/dirtyCardQueue.cpp	Thu Dec 15 19:48:32 2016 -0500
+++ b/src/share/vm/gc_implementation/g1/dirtyCardQueue.cpp	Thu Dec 15 20:00:01 2016 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -80,7 +80,7 @@
 
 // Determines how many mutator threads can process the buffers in parallel.
 uint DirtyCardQueueSet::num_par_ids() {
-  return (uint)os::processor_count();
+  return (uint)os::initial_active_processor_count();
 }
 
 void DirtyCardQueueSet::initialize(CardTableEntryClosure* cl, Monitor* cbl_mon, Mutex* fl_lock,