2020-01-18 11:38:21 +03:00
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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2021-04-22 11:24:48 +03:00
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* SPDX-License-Identifier: BSD-2-Clause
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2020-01-18 11:38:21 +03:00
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*/
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2021-08-06 11:45:34 +03:00
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#include <Kernel/Memory/MemoryManager.h>
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#include <Kernel/Memory/VMObject.h>
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2019-04-03 16:13:07 +03:00
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2020-02-16 03:27:42 +03:00
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namespace Kernel {
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2021-07-22 01:02:34 +03:00
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VMObject::VMObject(VMObject const& other)
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2019-08-07 21:12:50 +03:00
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: m_physical_pages(other.m_physical_pages)
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2019-04-03 16:13:07 +03:00
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{
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2019-12-19 21:13:44 +03:00
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MM.register_vmobject(*this);
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2019-04-03 16:13:07 +03:00
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}
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2019-08-07 21:12:50 +03:00
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VMObject::VMObject(size_t size)
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2021-07-11 18:38:28 +03:00
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: m_physical_pages(ceil_div(size, static_cast<size_t>(PAGE_SIZE)))
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2019-04-03 16:13:07 +03:00
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{
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2019-12-19 21:13:44 +03:00
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MM.register_vmobject(*this);
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2019-04-03 16:13:07 +03:00
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}
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VMObject::~VMObject()
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{
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2020-12-22 09:21:58 +03:00
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{
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ScopedSpinLock lock(m_on_deleted_lock);
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for (auto& it : m_on_deleted)
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it->vmobject_deleted(*this);
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m_on_deleted.clear();
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}
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2019-12-19 21:13:44 +03:00
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MM.unregister_vmobject(*this);
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2021-07-25 18:11:50 +03:00
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VERIFY(m_regions.is_empty());
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2019-04-03 16:13:07 +03:00
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}
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2020-02-16 03:27:42 +03:00
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}
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