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8325897: Parallel: Remove PSYoungGen::is_maximal_no_gc

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Reviewed-by: ayang
This commit is contained in:
Guoxiong Li 2024-03-14 03:24:50 +00:00
parent 98e4b753e8
commit 357c912be5
2 changed files with 4 additions and 7 deletions
src/hotspot/share/gc/parallel
parallelScavengeHeap.cpppsYoungGen.hpp

5
src/hotspot/share/gc/parallel/parallelScavengeHeap.cpp

@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2023, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2024, 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
@ -208,7 +208,8 @@ size_t ParallelScavengeHeap::used() const {
}
bool ParallelScavengeHeap::is_maximal_no_gc() const {
return old_gen()->is_maximal_no_gc() && young_gen()->is_maximal_no_gc();
// We don't expand young-gen except at a GC.
return old_gen()->is_maximal_no_gc();
}

6
src/hotspot/share/gc/parallel/psYoungGen.hpp

@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2024, 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
@ -123,10 +123,6 @@ class PSYoungGen : public CHeapObj<mtGC> {
size_t min_gen_size() const { return _min_gen_size; }
size_t max_gen_size() const { return _max_gen_size; }
bool is_maximal_no_gc() const {
return true; // Never expands except at a GC
}
// Allocation
HeapWord* allocate(size_t word_size) {
HeapWord* result = eden_space()->cas_allocate(word_size);