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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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5
hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 2007-2010 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
@ -32,11 +32,10 @@ class ConcurrentMarkSweepPolicy : public TwoGenerationCollectorPolicy {
ConcurrentMarkSweepPolicy* as_concurrent_mark_sweep_policy() { return this; }
void initialize_gc_policy_counters();
#if 1
virtual void initialize_size_policy(size_t init_eden_size,
size_t init_promo_size,
size_t init_survivor_size);
#endif
// Returns true if the incremental mode is enabled.
virtual bool has_soft_ended_eden();