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Revert "Kernel: Make PhysicalPage not movable and use atomic ref counting"

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This reverts commit a89ccd842b.
This commit is contained in:
Andreas Kling 2020-08-22 16:34:11 +02:00
parent 23f335bcd7
commit 0db7e04c2e
5 changed files with 24 additions and 20 deletions
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4
Kernel/VM/PhysicalRegion.h
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@ -49,12 +49,12 @@ public:
unsigned size() const { return m_pages; }
unsigned used() const { return m_used; }
unsigned free() const { return m_pages - m_used; }
bool contains(const PhysicalPage& page) const { return page.paddr() >= m_lower && page.paddr() <= m_upper; }
bool contains(PhysicalPage& page) const { return page.paddr() >= m_lower && page.paddr() <= m_upper; }
RefPtr<PhysicalPage> take_free_page(bool supervisor);
NonnullRefPtrVector<PhysicalPage> take_contiguous_free_pages(size_t count, bool supervisor);
void return_page_at(PhysicalAddress addr);
void return_page(const PhysicalPage& page) { return_page_at(page.paddr()); }
void return_page(PhysicalPage&& page) { return_page_at(page.paddr()); }
private:
unsigned find_contiguous_free_pages(size_t count);