--- a/src/hotspot/share/gc/g1/g1SurvivorRegions.cpp Wed Nov 13 10:49:32 2019 -0800
+++ b/src/hotspot/share/gc/g1/g1SurvivorRegions.cpp Wed Nov 13 10:51:41 2019 -0800
@@ -30,17 +30,23 @@
G1SurvivorRegions::G1SurvivorRegions() :
_regions(new (ResourceObj::C_HEAP, mtGC) GrowableArray<HeapRegion*>(8, true, mtGC)),
- _used_bytes(0) {}
+ _used_bytes(0),
+ _regions_on_node() {}
-void G1SurvivorRegions::add(HeapRegion* hr) {
+uint G1SurvivorRegions::add(HeapRegion* hr) {
assert(hr->is_survivor(), "should be flagged as survivor region");
_regions->append(hr);
+ return _regions_on_node.add(hr);
}
uint G1SurvivorRegions::length() const {
return (uint)_regions->length();
}
+uint G1SurvivorRegions::regions_on_node(uint node_index) const {
+ return _regions_on_node.count(node_index);
+}
+
void G1SurvivorRegions::convert_to_eden() {
for (GrowableArrayIterator<HeapRegion*> it = _regions->begin();
it != _regions->end();
@@ -54,6 +60,7 @@
void G1SurvivorRegions::clear() {
_regions->clear();
_used_bytes = 0;
+ _regions_on_node.clear();
}
void G1SurvivorRegions::add_used_bytes(size_t used_bytes) {