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Kernel: Make VirtualRangeAllocator return KResultOr<VirtualRange>
This achieves two things: - The allocator can report more specific errors - Callers can (and now do) use TRY() :^)
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9 changed files with 82 additions and 95 deletions
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@ -21,9 +21,9 @@ public:
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void initialize_with_range(VirtualAddress, size_t);
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void initialize_from_parent(VirtualRangeAllocator const&);
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Optional<VirtualRange> allocate_anywhere(size_t, size_t alignment = PAGE_SIZE);
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Optional<VirtualRange> allocate_specific(VirtualAddress, size_t);
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Optional<VirtualRange> allocate_randomized(size_t, size_t alignment);
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KResultOr<VirtualRange> try_allocate_anywhere(size_t, size_t alignment = PAGE_SIZE);
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KResultOr<VirtualRange> try_allocate_specific(VirtualAddress, size_t);
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KResultOr<VirtualRange> try_allocate_randomized(size_t, size_t alignment);
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void deallocate(VirtualRange const&);
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void dump() const;
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