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https://github.com/RGBCube/serenity
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1a2f71581b
These infallible resource factory functions were only there to ease the conversion to the new factory functions. Since all child classes of VMObject now use the fallible resource factory functions, we don't need the infallible versions anymore.
41 lines
1 KiB
C++
41 lines
1 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Singleton.h>
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#include <Kernel/Memory/MemoryManager.h>
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#include <Kernel/Memory/VMObject.h>
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namespace Kernel::Memory {
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static Singleton<SpinlockProtected<VMObject::AllInstancesList>> s_all_instances;
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SpinlockProtected<VMObject::AllInstancesList>& VMObject::all_instances()
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{
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return s_all_instances;
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}
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ErrorOr<FixedArray<RefPtr<PhysicalPage>>> VMObject::try_clone_physical_pages() const
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{
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return m_physical_pages.try_clone();
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}
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ErrorOr<FixedArray<RefPtr<PhysicalPage>>> VMObject::try_create_physical_pages(size_t size)
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{
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return FixedArray<RefPtr<PhysicalPage>>::try_create(ceil_div(size, static_cast<size_t>(PAGE_SIZE)));
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}
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VMObject::VMObject(FixedArray<RefPtr<PhysicalPage>>&& new_physical_pages)
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: m_physical_pages(move(new_physical_pages))
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{
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all_instances().with([&](auto& list) { list.append(*this); });
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}
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VMObject::~VMObject()
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{
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VERIFY(m_regions.is_empty());
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}
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}
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