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8315933: Serial: Remove empty Generation::ensure_parsability

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Reviewed-by: tschatzl, sjohanss
This commit is contained in:
Albert Mingkun Yang 2023-09-14 12:06:25 +00:00
parent b48dbf6bfa
commit de9b971c2e
4 changed files with 1 additions and 21 deletions
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2
src/hotspot/share/gc/shared/collectedHeap.hpp
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@ -328,7 +328,7 @@ class CollectedHeap : public CHeapObj<mtGC> {
// super::ensure_parsability so that the non-generational
// part of the work gets done. See implementation of
// CollectedHeap::ensure_parsability and, for instance,
// that of GenCollectedHeap::ensure_parsability().
// that of ParallelScavengeHeap::ensure_parsability().
// The argument "retire_tlabs" controls whether existing TLABs
// are merely filled or also retired, thus preventing further
// allocation from them and necessitating allocation of new TLABs.

13
src/hotspot/share/gc/shared/genCollectedHeap.cpp
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@ -1069,16 +1069,3 @@ void GenCollectedHeap::record_gen_tops_before_GC() {
}
}
#endif // not PRODUCT
class GenEnsureParsabilityClosure: public GenCollectedHeap::GenClosure {
public:
void do_generation(Generation* gen) {
gen->ensure_parsability();
}
};
void GenCollectedHeap::ensure_parsability(bool retire_tlabs) {
CollectedHeap::ensure_parsability(retire_tlabs);
GenEnsureParsabilityClosure ep_cl;
generation_iterate(&ep_cl, false);
}

3
src/hotspot/share/gc/shared/genCollectedHeap.hpp
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@ -228,9 +228,6 @@ public:
size_t requested_size,
size_t* actual_size) override;
// Ensure parsability
void ensure_parsability(bool retire_tlabs) override;
// Total number of full collections completed.
unsigned int total_full_collections_completed() {
assert(_full_collections_completed <= _total_full_collections,

4
src/hotspot/share/gc/shared/generation.hpp
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@ -291,10 +291,6 @@ class Generation: public CHeapObj<mtGC> {
// Save the high water marks for the used space in a generation.
virtual void record_spaces_top() {}
// Some generations may need to be "fixed-up" after some allocation
// activity to make them parsable again. The default is to do nothing.
virtual void ensure_parsability() {}
// Generations may keep statistics about collection. This method
// updates those statistics. current_generation is the generation
// that was most recently collected. This allows the generation to