8141422: G1 eager reclaim card dirtying may dirty outside of allocated objects
Reviewed-by: sjohanss, tschatzl, ehelin
--- a/hotspot/src/share/vm/gc/g1/g1CollectedHeap.cpp Tue Nov 03 19:53:10 2015 -0500
+++ b/hotspot/src/share/vm/gc/g1/g1CollectedHeap.cpp Wed Nov 04 16:42:11 2015 +0100
@@ -3613,7 +3613,7 @@
// The remembered set might contain references to already freed
// regions. Filter out such entries to avoid failing card table
// verification.
- if (!g1h->heap_region_containing(bs->addr_for(card_ptr))->is_free()) {
+ if (g1h->is_in_closed_subset(bs->addr_for(card_ptr))) {
if (*card_ptr != CardTableModRefBS::dirty_card_val()) {
*card_ptr = CardTableModRefBS::dirty_card_val();
_dcq.enqueue(card_ptr);