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Kernel: Make AnonymousVMObject construction OOM-aware

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This commit moves the allocation of the resources required for
AnonymousVMObject from its constructors to its factory functions.

We're making this change to expose the fallibility of the allocation.
This commit is contained in:
creator1creeper1 2022-01-12 16:23:48 +01:00 • committed by Idan Horowitz
commit 3879e70447
Notes: sideshowbarker 2024-07-17 20:50:18 +09:00
2 changed files with 28 additions and 21 deletions
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8
Kernel/Memory/AnonymousVMObject.h
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@ -41,10 +41,10 @@ public:
private:
class SharedCommittedCowPages;
explicit AnonymousVMObject(size_t, AllocationStrategy, Optional<CommittedPhysicalPageSet>);
explicit AnonymousVMObject(PhysicalAddress, size_t);
explicit AnonymousVMObject(Span<NonnullRefPtr<PhysicalPage>>);
explicit AnonymousVMObject(AnonymousVMObject const&, NonnullRefPtr<SharedCommittedCowPages>);
explicit AnonymousVMObject(FixedArray<RefPtr<PhysicalPage>>&&, AllocationStrategy, Optional<CommittedPhysicalPageSet>);
explicit AnonymousVMObject(PhysicalAddress, FixedArray<RefPtr<PhysicalPage>>&&);
explicit AnonymousVMObject(FixedArray<RefPtr<PhysicalPage>>&&);
explicit AnonymousVMObject(AnonymousVMObject const&, NonnullRefPtr<SharedCommittedCowPages>, FixedArray<RefPtr<PhysicalPage>>&&);
virtual StringView class_name() const override { return "AnonymousVMObject"sv; }