To ensure consistency and integrity of the memory allocation process, the function might be designed to perform atomic operations, ensuring that the allocation of a page and the associated frame are executed as a single, indivisible unit.
Without exclusivity, two kernel paths might write to the same page, corrupting data. The labyrinth becomes a hall of mirrors. Exclusivity enforces single-owner semantics, simplifying locking and reasoning about correctness. define labyrinth void allocpagegfpatomic exclusive