mmu_notifier_register
ret = mmu_notifier_register(&kvm->arch.pv.mmu_notifier, kvm->mm);
ret = mmu_notifier_register(&h->mn, current->mm);
ret = mmu_notifier_register(&pdom->mn, mm);
ret = mmu_notifier_register(&smmu_domain->mmu_notifier, mm);
ret = mmu_notifier_register(&domain->notifier, mm);
mmu_notifier_register(&pe_data->mmu_notifier, mm);
extern int mmu_notifier_register(struct mmu_notifier *subscription,
EXPORT_SYMBOL_GPL(mmu_notifier_register);
ret = mmu_notifier_register(NULL, mm);
return mmu_notifier_register(&kvm->mmu_notifier, current->mm);