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6858496: Clear all SoftReferences before an out-of-memory due to GC overhead limit

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Ensure a full GC that clears SoftReferences before throwing an out-of-memory

Reviewed-by: ysr, jcoomes
This commit is contained in:
Jon Masamitsu 2010-04-13 13:52:10 -07:00
parent ba815bf09e
commit f5197d0d36
26 changed files with 543 additions and 364 deletions
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6
hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp
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@ -1,5 +1,5 @@
/*
* Copyright 2001-2009 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 2001-2010 Sun Microsystems, Inc. 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
@ -570,10 +570,6 @@ class CMSCollector: public CHeapObj {
ConcurrentMarkSweepPolicy* _collector_policy;
ConcurrentMarkSweepPolicy* collector_policy() { return _collector_policy; }
// Check whether the gc time limit has been
// exceeded and set the size policy flag
// appropriately.
void check_gc_time_limit();
// XXX Move these to CMSStats ??? FIX ME !!!
elapsedTimer _inter_sweep_timer; // time between sweeps
elapsedTimer _intra_sweep_timer; // time _in_ sweeps