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src/hotspot/share/gc/shared/collectedHeap.cpp
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rev 52072 : 8211955: GC abstraction for LAB reserve
@@ -443,10 +443,19 @@
void CollectedHeap::fill_with_dummy_object(HeapWord* start, HeapWord* end, bool zap) {
CollectedHeap::fill_with_object(start, end, zap);
}
+size_t CollectedHeap::min_dummy_object_size() const {
+ return cell_size(oopDesc::header_size());
+}
+
+size_t CollectedHeap::tlab_alloc_reserve() const {
+ size_t min_size = min_dummy_object_size();
+ return min_size > (size_t)MinObjAlignment ? align_object_size(min_size) : 0;
+}
+
HeapWord* CollectedHeap::allocate_new_tlab(size_t min_size,
size_t requested_size,
size_t* actual_size) {
guarantee(false, "thread-local allocation buffers not supported");
return NULL;
@@ -584,9 +593,5 @@
}
void CollectedHeap::deduplicate_string(oop str) {
// Do nothing, unless overridden in subclass.
}
-
-size_t CollectedHeap::obj_size(oop obj) const {
- return obj->size();
-}
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