1.1 --- a/src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp Thu Dec 02 13:20:39 2010 -0500
1.2 +++ b/src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp Tue Dec 07 16:47:42 2010 -0500
1.3 @@ -196,6 +196,10 @@
1.4 size_t _young_list_target_length;
1.5 size_t _young_list_fixed_length;
1.6
1.7 + // The max number of regions we can extend the eden by while the GC
1.8 + // locker is active. This should be >= _young_list_target_length;
1.9 + size_t _young_list_max_length;
1.10 +
1.11 size_t _young_cset_length;
1.12 bool _last_young_gc_full;
1.13
1.14 @@ -1113,13 +1117,22 @@
1.15
1.16 bool is_young_list_full() {
1.17 size_t young_list_length = _g1->young_list()->length();
1.18 - size_t young_list_max_length = _young_list_target_length;
1.19 + size_t young_list_target_length = _young_list_target_length;
1.20 + if (G1FixedEdenSize) {
1.21 + young_list_target_length -= _max_survivor_regions;
1.22 + }
1.23 + return young_list_length >= young_list_target_length;
1.24 + }
1.25 +
1.26 + bool can_expand_young_list() {
1.27 + size_t young_list_length = _g1->young_list()->length();
1.28 + size_t young_list_max_length = _young_list_max_length;
1.29 if (G1FixedEdenSize) {
1.30 young_list_max_length -= _max_survivor_regions;
1.31 }
1.32 + return young_list_length < young_list_max_length;
1.33 + }
1.34
1.35 - return young_list_length >= young_list_max_length;
1.36 - }
1.37 void update_region_num(bool young);
1.38
1.39 bool in_young_gc_mode() {
1.40 @@ -1231,6 +1244,8 @@
1.41 _survivors_age_table.merge_par(age_table);
1.42 }
1.43
1.44 + void calculate_max_gc_locker_expansion();
1.45 +
1.46 // Calculates survivor space parameters.
1.47 void calculate_survivors_policy();
1.48
