8286115: G1: G1RemSetArrayOfCardsEntriesBase off-by-one error

Reviewed-by: iwalulya, tschatzl
openjdk · May 5, 2022 · fd41e65 · fd41e65 · openjdk-notifier · May 5, 2022
1 parent 7e88ff8
commit fd41e65
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/hotspot/share/gc/g1/g1Arguments.cpp b/src/hotspot/share/gc/g1/g1Arguments.cpp
@@ -137,7 +137,7 @@ void G1Arguments::initialize_card_set_configuration() {
   if (FLAG_IS_DEFAULT(G1RemSetArrayOfCardsEntries)) {
     uint max_cards_in_inline_ptr = G1CardSetConfiguration::max_cards_in_inline_ptr(HeapRegion::LogOfHRGrainBytes - CardTable::card_shift());
     FLAG_SET_ERGO(G1RemSetArrayOfCardsEntries, MAX2(max_cards_in_inline_ptr * 2,
-                                                    G1RemSetArrayOfCardsEntriesBase * (1u << (region_size_log_mb + 1))));
+                                                    G1RemSetArrayOfCardsEntriesBase << region_size_log_mb));
   }
 
   // Round to next 8 byte boundary for array to maximize space usage.