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8277899: Parallel: Simplify PSVirtualSpace::initialize logic

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Reviewed-by: tschatzl, sjohanss
This commit is contained in:
Albert Mingkun Yang 2021-11-30 13:42:18 +00:00
parent 01cefc94c7
commit 915084041f
3 changed files with 3 additions and 11 deletions
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4
src/hotspot/share/gc/parallel/objectStartArray.cpp
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@ -65,9 +65,7 @@ void ObjectStartArray::initialize(MemRegion reserved_region) {
MemTracker::record_virtual_memory_type((address)backing_store.base(), mtGC);
// We do not commit any memory initially
if (!_virtual_space.initialize(backing_store, 0)) {
vm_exit_during_initialization("Could not commit space for ObjectStartArray");
}
_virtual_space.initialize(backing_store);
_raw_base = (jbyte*)_virtual_space.low_boundary();

8
src/hotspot/share/gc/parallel/psVirtualspace.cpp
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@ -56,16 +56,10 @@ PSVirtualSpace::PSVirtualSpace():
}
// Deprecated.
bool PSVirtualSpace::initialize(ReservedSpace rs,
size_t commit_size) {
void PSVirtualSpace::initialize(ReservedSpace rs) {
set_reserved(rs);
set_committed(reserved_low_addr(), reserved_low_addr());
// Commit to initial size.
assert(commit_size <= rs.size(), "commit_size too big");
bool result = commit_size > 0 ? expand_by(commit_size) : true;
DEBUG_ONLY(verify());
return result;
}
PSVirtualSpace::~PSVirtualSpace() {

2
src/hotspot/share/gc/parallel/psVirtualspace.hpp
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@ -73,7 +73,7 @@ class PSVirtualSpace : public CHeapObj<mtGC> {
_special(false) {
}
PSVirtualSpace();
bool initialize(ReservedSpace rs, size_t commit_size);
void initialize(ReservedSpace rs);
bool contains(void* p) const;