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6957084: simplify TaskQueue overflow handling

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Reviewed-by: ysr, jmasa
This commit is contained in:
John Coomes 2010-07-01 21:40:45 -07:00
parent 091b24c59d
commit e8dbd32204
11 changed files with 200 additions and 447 deletions
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4
hotspot/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp
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@ -2474,7 +2474,7 @@ void PSParallelCompact::enqueue_region_draining_tasks(GCTaskQueue* q,
for (size_t cur = end_region - 1; cur >= beg_region; --cur) {
if (sd.region(cur)->claim_unsafe()) {
ParCompactionManager* cm = ParCompactionManager::manager_array(which);
cm->save_for_processing(cur);
cm->push_region(cur);
if (TraceParallelOldGCCompactionPhase && Verbose) {
const size_t count_mod_8 = fillable_regions & 7;
@ -3138,7 +3138,7 @@ void PSParallelCompact::decrement_destination_counts(ParCompactionManager* cm,
assert(cur->data_size() > 0, "region must have live data");
cur->decrement_destination_count();
if (cur < enqueue_end && cur->available() && cur->claim()) {
cm->save_for_processing(sd.region(cur));
cm->push_region(sd.region(cur));
}
}
}