1.1 --- a/src/share/vm/gc_implementation/g1/concurrentG1Refine.cpp Wed Mar 30 10:26:59 2011 -0400
1.2 +++ b/src/share/vm/gc_implementation/g1/concurrentG1Refine.cpp Mon Apr 04 13:18:35 2011 -0400
1.3 @@ -51,7 +51,11 @@
1.4 _cache_size_index(0), _expand_card_counts(false),
1.5 _hot_cache(NULL),
1.6 _def_use_cache(false), _use_cache(false),
1.7 - _n_periods(0),
1.8 + // We initialize the epochs of the array to 0. By initializing
1.9 + // _n_periods to 1 and not 0 we automatically invalidate all the
1.10 + // entries on the array. Otherwise we might accidentally think that
1.11 + // we claimed a card that was in fact never set (see CR7033292).
1.12 + _n_periods(1),
1.13 _threads(NULL), _n_threads(0)
1.14 {
1.15
