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8195103: Refactor out card table from CardTableModRefBS to flatten the BarrierSet hierarchy

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Reviewed-by: kbarrett, tschatzl
This commit is contained in:
Erik Österlund 2018-01-10 22:48:27 +01:00
parent ceb48aba9b
commit 0fb7dffb83
32 changed files with 282 additions and 372 deletions
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12
src/hotspot/share/gc/parallel/parallelScavengeHeap.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2018, 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
@ -57,8 +57,6 @@ PSGCAdaptivePolicyCounters* ParallelScavengeHeap::_gc_policy_counters = NULL;
GCTaskManager* ParallelScavengeHeap::_gc_task_manager = NULL;
jint ParallelScavengeHeap::initialize() {
CollectedHeap::pre_initialize();
const size_t heap_size = _collector_policy->max_heap_byte_size();
ReservedSpace heap_rs = Universe::reserve_heap(heap_size, _collector_policy->heap_alignment());
@ -490,13 +488,6 @@ void ParallelScavengeHeap::resize_all_tlabs() {
CollectedHeap::resize_all_tlabs();
}
bool ParallelScavengeHeap::can_elide_initializing_store_barrier(oop new_obj) {
// We don't need barriers for stores to objects in the
// young gen and, a fortiori, for initializing stores to
// objects therein.
return is_in_young(new_obj);
}
// This method is used by System.gc() and JVMTI.
void ParallelScavengeHeap::collect(GCCause::Cause cause) {
assert(!Heap_lock->owned_by_self(),
@ -719,4 +710,3 @@ GrowableArray<MemoryPool*> ParallelScavengeHeap::memory_pools() {
memory_pools.append(_old_pool);
return memory_pools;
}