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8173421: Obsolete and expired flags for JDK 10 need to be removed and related tests updated

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Reviewed-by: lfoltan, mikael, dcubed
This commit is contained in:
David Holmes 2017-01-31 19:26:50 -05:00
parent be80dcdba9
commit fe4d1bb602
21 changed files with 36 additions and 490 deletions
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17
hotspot/src/share/vm/gc/cms/concurrentMarkSweepGeneration.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2017, 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
@ -488,9 +488,6 @@ CMSCollector::CMSCollector(ConcurrentMarkSweepGeneration* cmsGen,
_gc_timer_cm(new (ResourceObj::C_HEAP, mtGC) ConcurrentGCTimer()),
_cms_start_registered(false)
{
if (ExplicitGCInvokesConcurrentAndUnloadsClasses) {
ExplicitGCInvokesConcurrent = true;
}
// Now expand the span and allocate the collection support structures
// (MUT, marking bit map etc.) to cover both generations subject to
// collection.
@ -2559,10 +2556,8 @@ void CMSCollector::verify_overflow_empty() const {
// Decide if we want to enable class unloading as part of the
// ensuing concurrent GC cycle. We will collect and
// unload classes if it's the case that:
// (1) an explicit gc request has been made and the flag
// ExplicitGCInvokesConcurrentAndUnloadsClasses is set, OR
// (2) (a) class unloading is enabled at the command line, and
// (b) old gen is getting really full
// (a) class unloading is enabled at the command line, and
// (b) old gen is getting really full
// NOTE: Provided there is no change in the state of the heap between
// calls to this method, it should have idempotent results. Moreover,
// its results should be monotonically increasing (i.e. going from 0 to 1,
@ -2575,11 +2570,7 @@ void CMSCollector::verify_overflow_empty() const {
// below.
void CMSCollector::update_should_unload_classes() {
_should_unload_classes = false;
// Condition 1 above
if (_full_gc_requested && ExplicitGCInvokesConcurrentAndUnloadsClasses) {
_should_unload_classes = true;
} else if (CMSClassUnloadingEnabled) { // Condition 2.a above
// Disjuncts 2.b.(i,ii,iii) above
if (CMSClassUnloadingEnabled) {
_should_unload_classes = (concurrent_cycles_since_last_unload() >=
CMSClassUnloadingMaxInterval)
|| _cmsGen->is_too_full();