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Kernel: Store VMObject physical pages in a FixedArray

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Let's enforce the invariant that VMObjects don't shrink or grow by
storing the pages in a FixedArray.
This commit is contained in:
Andreas Kling 2021-07-11 17:38:28 +02:00
parent 373b8d7cfa
commit 59049ae4b7
3 changed files with 6 additions and 11 deletions
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4
Kernel/VM/VMObject.h
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@ -6,6 +6,7 @@
#pragma once
#include <AK/FixedArray.h>
#include <AK/HashTable.h>
#include <AK/IntrusiveList.h>
#include <AK/RefCounted.h>
@ -61,7 +62,6 @@ public:
}
protected:
VMObject();
explicit VMObject(size_t);
explicit VMObject(const VMObject&);
@ -69,7 +69,7 @@ protected:
void for_each_region(Callback);
IntrusiveListNode<VMObject> m_list_node;
Vector<RefPtr<PhysicalPage>, 16> m_physical_pages;
FixedArray<RefPtr<PhysicalPage>> m_physical_pages;
Lock m_paging_lock { "VMObject" };
mutable SpinLock<u8> m_lock;