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6652160: G1: assert(cur_used_bytes == _g1->recalculate_used(),"It should!") at g1CollectorPolicy.cpp:1425

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In attempt_allocation_slow() wait for the concurrent cleanup to complete before modifying _summary_bytes_used.

Reviewed-by: jmasa, apetrusenko
This commit is contained in:
Igor Veresov 2008-07-30 10:45:52 -07:00
parent 2703662478
commit 09fd47bcef
1 changed files with 6 additions and 0 deletions
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6
hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
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@ -648,6 +648,12 @@ G1CollectedHeap::attempt_allocation_slow(size_t word_size,
"Prevent a regression of this bug.");
} else {
// We may have concurrent cleanup working at the time. Wait for it
// to complete. In the future we would probably want to make the
// concurrent cleanup truly concurrent by decoupling it from the
// allocation.
if (!SafepointSynchronize::is_at_safepoint())
wait_for_cleanup_complete();
// If we do a collection pause, this will be reset to a non-NULL
// value. If we don't, nulling here ensures that we allocate a new
// region below.