8220592: ZGC: Move destruction of detached ZPages into ZPageAllocator
Reviewed-by: stefank, eosterlund
/*
* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
#include "precompiled.hpp"
#include "gc/z/zHeap.hpp"
#include "gc/z/zOopClosures.inline.hpp"
#include "gc/z/zOop.inline.hpp"
#include "memory/iterator.inline.hpp"
#include "oops/access.inline.hpp"
#include "oops/oop.inline.hpp"
#include "runtime/safepoint.hpp"
#include "utilities/debug.hpp"
#include "utilities/globalDefinitions.hpp"
void ZVerifyOopClosure::do_oop(oop* p) {
guarantee(SafepointSynchronize::is_at_safepoint(), "Must be at a safepoint");
guarantee(ZGlobalPhase == ZPhaseMarkCompleted, "Invalid phase");
guarantee(!ZResurrection::is_blocked(), "Invalid phase");
const oop o = RawAccess<>::oop_load(p);
if (o != NULL) {
guarantee(ZOop::is_good(o) || ZOop::is_finalizable_good(o),
"Bad oop " PTR_FORMAT " found at " PTR_FORMAT ", expected " PTR_FORMAT,
p2i(o), p2i(p), p2i(ZOop::good(o)));
guarantee(oopDesc::is_oop(ZOop::good(o)),
"Bad object " PTR_FORMAT " found at " PTR_FORMAT,
p2i(o), p2i(p));
}
}
void ZVerifyOopClosure::do_oop(narrowOop* p) {
ShouldNotReachHere();
}
void ZVerifyObjectClosure::do_object(oop o) {
ZVerifyOopClosure cl;
o->oop_iterate(&cl);
}