find_kvm_host_pte
ptep = find_kvm_host_pte(kvm, mmu_seq, hva, &shift);
ptep = find_kvm_host_pte(kvm, mmu_seq, hva, &shift);
ptep = find_kvm_host_pte(kvm, mmu_seq, hva, &hpage_shift);
ptep = find_kvm_host_pte(kvm, mmu_seq, hva, &shift);