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8273033: SerialGC: remove obsolete comments

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Reviewed-by: sjohanss, tschatzl
This commit is contained in:
Albert Mingkun Yang 2021-08-31 12:51:27 +00:00
parent 841e3943c4
commit 9bc7cc5651
1 changed files with 0 additions and 7 deletions
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7
src/hotspot/share/gc/serial/genMarkSweep.cpp
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@ -236,13 +236,6 @@ void GenMarkSweep::mark_sweep_phase1(bool clear_all_softrefs) {
void GenMarkSweep::mark_sweep_phase2() {
// Now all live objects are marked, compute the new object addresses.
// It is imperative that we traverse perm_gen LAST. If dead space is
// allowed a range of dead object may get overwritten by a dead int
// array. If perm_gen is not traversed last a Klass* may get
// overwritten. This is fine since it is dead, but if the class has dead
// instances we have to skip them, and in order to find their size we
// need the Klass*!
//
// It is not required that we traverse spaces in the same order in
// phase2, phase3 and phase4, but the ValidateMarkSweep live oops
// tracking expects us to do so. See comment under phase4.