6672778: G1 should trim task queues more aggressively during evacuation pauses
Summary: Regularly try to drain task queues. This helps memory usage and performance during garbage collection.
Reviewed-by: sjohanss, sangheki
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#ifndef SHARE_VM_GC_SHARED_CARDTABLEBARRIERSET_INLINE_HPP
#define SHARE_VM_GC_SHARED_CARDTABLEBARRIERSET_INLINE_HPP
#include "gc/shared/cardTableBarrierSet.hpp"
#include "gc/shared/cardTable.hpp"
#include "runtime/orderAccess.inline.hpp"
template <DecoratorSet decorators, typename T>
inline void CardTableBarrierSet::write_ref_field_post(T* field, oop newVal) {
volatile jbyte* byte = _card_table->byte_for(field);
if (UseConcMarkSweepGC) {
// Perform a releasing store if using CMS so that it may
// scan and clear the cards concurrently during pre-cleaning.
OrderAccess::release_store(byte, CardTable::dirty_card_val());
} else {
*byte = CardTable::dirty_card_val();
}
}
#endif // SHARE_VM_GC_SHARED_CARDTABLEBARRIERSET_INLINE_HPP