kvm_pgtable_hyp_unmap
u64 kvm_pgtable_hyp_unmap(struct kvm_pgtable *pgt, u64 addr, u64 size);
WARN_ON(kvm_pgtable_hyp_unmap(&pkvm_pgtable, virt, size) != size);
WARN_ON(kvm_pgtable_hyp_unmap(&pkvm_pgtable, cur, PAGE_SIZE) != PAGE_SIZE);