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Kernel: Merge PurgeableVMObject into AnonymousVMObject

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This implements memory commitments and lazy-allocation of committed
memory.
This commit is contained in:
Tom 2020-09-05 15:52:14 -06:00 • committed by Andreas Kling
commit 476f17b3f1
Notes: sideshowbarker 2024-07-19 00:14:30 +09:00
35 changed files with 937 additions and 564 deletions
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3
Kernel/VM/VMObject.h
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@ -50,7 +50,6 @@ public:
virtual RefPtr<VMObject> clone() = 0;
virtual bool is_anonymous() const { return false; }
virtual bool is_purgeable() const { return false; }
virtual bool is_inode() const { return false; }
virtual bool is_shared_inode() const { return false; }
virtual bool is_private_inode() const { return false; }
@ -78,6 +77,8 @@ protected:
Vector<RefPtr<PhysicalPage>> m_physical_pages;
Lock m_paging_lock { "VMObject" };
mutable SpinLock<u8> m_lock;
private:
VMObject& operator=(const VMObject&) = delete;
VMObject& operator=(VMObject&&) = delete;