src/hotspot/share/gc/z/zPhysicalMemory.inline.hpp
author pliden
Tue, 12 Jun 2018 17:40:28 +0200
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8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental) Reviewed-by: pliden, stefank, eosterlund, ehelin, sjohanss, rbackman, coleenp, ihse, jgeorge, lmesnik, rkennke Contributed-by: per.liden@oracle.com, stefan.karlsson@oracle.com, erik.osterlund@oracle.com, mikael.gerdin@oracle.com, kim.barrett@oracle.com, nils.eliasson@oracle.com, rickard.backman@oracle.com, rwestrel@redhat.com, coleen.phillimore@oracle.com, robbin.ehn@oracle.com, gerard.ziemski@oracle.com, hugh.wilkinson@intel.com, sandhya.viswanathan@intel.com, bill.npo.wheeler@intel.com, vinay.k.awasthi@intel.com, yasuenag@gmail.com
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/*
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 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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#ifndef SHARE_GC_Z_ZPHYSICALMEMORY_INLINE_HPP
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#define SHARE_GC_Z_ZPHYSICALMEMORY_INLINE_HPP
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#include "gc/z/zPhysicalMemory.hpp"
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#include "utilities/debug.hpp"
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inline ZPhysicalMemorySegment::ZPhysicalMemorySegment(uintptr_t start, size_t size) :
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    _start(start),
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    _end(start + size) {}
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inline uintptr_t ZPhysicalMemorySegment::start() const {
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  return _start;
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}
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inline uintptr_t ZPhysicalMemorySegment::end() const {
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  return _end;
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}
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inline size_t ZPhysicalMemorySegment::size() const {
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  return end() - start();
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}
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inline void ZPhysicalMemorySegment::expand(size_t size) {
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  _end += size;
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}
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inline ZPhysicalMemorySegment ZPhysicalMemorySegment::split(size_t split_size) {
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  assert(split_size <= size(), "Invalid size");
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  ZPhysicalMemorySegment segment(_start, split_size);
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  _start += split_size;
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  return segment;
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}
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inline bool ZPhysicalMemory::is_null() const {
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  return _nsegments == 0;
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}
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inline size_t ZPhysicalMemory::nsegments() const {
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  return _nsegments;
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}
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inline ZPhysicalMemorySegment ZPhysicalMemory::segment(size_t index) const {
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  assert(index < _nsegments, "Invalid segment index");
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  return _segments[index];
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}
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inline size_t ZPhysicalMemoryManager::max_capacity() const {
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  return _max_capacity;
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}
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inline size_t ZPhysicalMemoryManager::capacity() const {
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  return _capacity;
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}
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inline size_t ZPhysicalMemoryManager::used() const {
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  return _used;
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}
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inline size_t ZPhysicalMemoryManager::available() const {
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  return _max_capacity - _used;
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}
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#endif // SHARE_GC_Z_ZPHYSICALMEMORY_INLINE_HPP