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8238999: Remove MemRegion custom new/delete operator overloads

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Reviewed-by: kbarrett, jiangli, iklam
This commit is contained in:
Thomas Schatzl 2020-02-18 10:59:38 +01:00
parent 301a2e19c3
commit 28c630046e
5 changed files with 18 additions and 48 deletions
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23
src/hotspot/share/gc/shared/cardTable.cpp
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@ -51,30 +51,19 @@ CardTable::CardTable(MemRegion whole_heap, bool conc_scan) :
_byte_map(NULL),
_byte_map_base(NULL),
_cur_covered_regions(0),
_covered(NULL),
_committed(NULL),
_covered(MemRegion::create_array(_max_covered_regions, mtGC)),
_committed(MemRegion::create_array(_max_covered_regions, mtGC)),
_guard_region()
{
assert((uintptr_t(_whole_heap.start()) & (card_size - 1)) == 0, "heap must start at card boundary");
assert((uintptr_t(_whole_heap.end()) & (card_size - 1)) == 0, "heap must end at card boundary");
assert(card_size <= 512, "card_size must be less than 512"); // why?
_covered = new MemRegion[_max_covered_regions];
if (_covered == NULL) {
vm_exit_during_initialization("Could not allocate card table covered region set.");
}
}
CardTable::~CardTable() {
if (_covered) {
delete[] _covered;
_covered = NULL;
}
if (_committed) {
delete[] _committed;
_committed = NULL;
}
FREE_C_HEAP_ARRAY(MemRegion, _covered);
FREE_C_HEAP_ARRAY(MemRegion, _committed);
}
void CardTable::initialize() {
@ -87,10 +76,6 @@ void CardTable::initialize() {
HeapWord* high_bound = _whole_heap.end();
_cur_covered_regions = 0;
_committed = new MemRegion[_max_covered_regions];
if (_committed == NULL) {
vm_exit_during_initialization("Could not allocate card table committed region set.");
}
const size_t rs_align = _page_size == (size_t) os::vm_page_size() ? 0 :
MAX2(_page_size, (size_t) os::vm_allocation_granularity());