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Kernel: Move VM-related files into Kernel/VM/.
Also break MemoryManager.{cpp,h} into one file per class.
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parent
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commit
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21 changed files with 630 additions and 575 deletions
46
Kernel/VM/PhysicalPage.h
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46
Kernel/VM/PhysicalPage.h
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#pragma once
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#include <Kernel/Assertions.h>
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#include <Kernel/types.h>
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#include <AK/Retained.h>
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class PhysicalPage {
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friend class MemoryManager;
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friend class PageDirectory;
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friend class VMObject;
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public:
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PhysicalAddress paddr() const { return m_paddr; }
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void retain()
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{
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ASSERT(m_retain_count);
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++m_retain_count;
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}
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void release()
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{
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ASSERT(m_retain_count);
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if (!--m_retain_count) {
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if (m_may_return_to_freelist)
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return_to_freelist();
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else
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delete this;
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}
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}
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static Retained<PhysicalPage> create_eternal(PhysicalAddress, bool supervisor);
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static Retained<PhysicalPage> create(PhysicalAddress, bool supervisor);
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word retain_count() const { return m_retain_count; }
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private:
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PhysicalPage(PhysicalAddress paddr, bool supervisor, bool may_return_to_freelist = true);
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~PhysicalPage() { }
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void return_to_freelist();
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word m_retain_count { 1 };
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bool m_may_return_to_freelist { true };
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bool m_supervisor { false };
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PhysicalAddress m_paddr;
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};
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