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7199349: NPG: PS: Crash seen in jprt

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Reviewed-by: johnc
This commit is contained in:
Jon Masamitsu 2012-10-03 08:08:52 -07:00
parent 7ccbee4177
commit 88ab075a6d
7 changed files with 38 additions and 150 deletions
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10
hotspot/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp
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@ -395,9 +395,13 @@ bool PSScavenge::invoke_no_policy() {
GCTaskQueue* q = GCTaskQueue::create();
uint stripe_total = active_workers;
for(uint i=0; i < stripe_total; i++) {
q->enqueue(new OldToYoungRootsTask(old_gen, old_top, i, stripe_total));
if (!old_gen->object_space()->is_empty()) {
// There are only old-to-young pointers if there are objects
// in the old gen.
uint stripe_total = active_workers;
for(uint i=0; i < stripe_total; i++) {
q->enqueue(new OldToYoungRootsTask(old_gen, old_top, i, stripe_total));
}
}
q->enqueue(new ScavengeRootsTask(ScavengeRootsTask::universe));