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8294845: Make globals accessed by G1 young gen revising atomic #10845

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+33 −24
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8294845: Make globals accessed by G1 young gen revising atomic #10845

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d9b02a6
Make some globals atomic
tschatzl Oct 25, 2022
77af16d
Add include, add some comment
tschatzl Oct 25, 2022
c2825bd
remove superfluous casts
tschatzl Nov 2, 2022
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4 changes: 2 additions & 2 deletions src/hotspot/share/gc/g1/g1Policy.cpp
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Original file line number Diff line number Diff line change
@@ -1133,8 +1133,8 @@ void G1Policy::print_age_table() {
uint G1Policy::calculate_young_max_length(uint target_young_length) const {
uint expansion_region_num = 0;
if (GCLockerEdenExpansionPercent > 0) {
double perc = (double) GCLockerEdenExpansionPercent / 100.0;
double expansion_region_num_d = perc * (double)young_list_target_length();
double perc = GCLockerEdenExpansionPercent / 100.0;
double expansion_region_num_d = perc * young_list_target_length();
// We use ceiling so that if expansion_region_num_d is > 0.0 (but
// less than 1.0) we'll get 1.
expansion_region_num = (uint) ceil(expansion_region_num_d);