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8155966: Assertion failures when -XX:+UseParallelGC -XX:ParallelGCThreads=1

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Reviewed-by: drwhite, kbarrett
This commit is contained in:
Jon Masamitsu 2016-05-03 16:19:42 -07:00
parent ac61c34c54
commit 6663f0cfed
1 changed files with 3 additions and 5 deletions
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8
hotspot/src/share/vm/gc/parallel/psParallelCompact.cpp
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@ -1929,7 +1929,7 @@ bool PSParallelCompact::invoke_no_policy(bool maximum_heap_compaction) {
ParCompactionManager* const cm =
ParCompactionManager::manager_array(int(i));
assert(cm->marking_stack()->is_empty(), "should be empty");
assert(cm->region_stack()->is_empty(), "should be empty");
assert(cm->region_stack()->is_empty(), "Region stack " SIZE_FORMAT " is not empty", i);
}
#endif // ASSERT
@ -2370,10 +2370,8 @@ void PSParallelCompact::enqueue_region_stealing_tasks(
// Once a thread has drained it's stack, it should try to steal regions from
// other threads.
if (parallel_gc_threads > 1) {
for (uint j = 0; j < parallel_gc_threads; j++) {
q->enqueue(new StealRegionCompactionTask(terminator_ptr));
}
for (uint j = 0; j < parallel_gc_threads; j++) {
q->enqueue(new StealRegionCompactionTask(terminator_ptr));
}
}