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Kernel: Forked children should inherit their RangeAllocator by copy.
Otherwise we'll start handing out addresses that are very likely already in use by existing ranges.
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5 changed files with 11 additions and 5 deletions
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@ -9,7 +9,7 @@
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class PageDirectory : public Retainable<PageDirectory> {
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friend class MemoryManager;
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public:
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static Retained<PageDirectory> create_for_userspace() { return adopt(*new PageDirectory); }
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static Retained<PageDirectory> create_for_userspace(const RangeAllocator* parent_range_allocator = nullptr) { return adopt(*new PageDirectory(parent_range_allocator)); }
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static Retained<PageDirectory> create_at_fixed_address(PhysicalAddress paddr) { return adopt(*new PageDirectory(paddr)); }
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~PageDirectory();
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@ -21,7 +21,7 @@ public:
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RangeAllocator& range_allocator() { return m_range_allocator; }
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private:
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PageDirectory();
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explicit PageDirectory(const RangeAllocator* parent_range_allocator);
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explicit PageDirectory(PhysicalAddress);
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RangeAllocator m_range_allocator;
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