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4957990: Perm heap bloat in JVM

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Treat ProfileData in MDO's as a source of weak, not strong, roots. Fixes the bug for stop-world collection -- the case of concurrent collection will be fixed separately.

Reviewed-by: jcoomes, jmasa, kvn, never
This commit is contained in:
Y. Srinivas Ramakrishna 2009-09-02 00:04:29 -07:00
parent 2491751525
commit c6763b5bad
27 changed files with 385 additions and 65 deletions
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8
hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp
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@ -7632,6 +7632,14 @@ void Par_PushAndMarkClosure::do_oop(oop obj) {
void Par_PushAndMarkClosure::do_oop(oop* p) { Par_PushAndMarkClosure::do_oop_work(p); }
void Par_PushAndMarkClosure::do_oop(narrowOop* p) { Par_PushAndMarkClosure::do_oop_work(p); }
void PushAndMarkClosure::remember_mdo(DataLayout* v) {
// TBD
}
void Par_PushAndMarkClosure::remember_mdo(DataLayout* v) {
// TBD
}
void CMSPrecleanRefsYieldClosure::do_yield_work() {
DEBUG_ONLY(RememberKlassesChecker mux(false);)
Mutex* bml = _collector->bitMapLock();