host_stage2_idmap_locked
int host_stage2_idmap_locked(phys_addr_t addr, u64 size, enum kvm_pgtable_prot prot);
ret = host_stage2_idmap_locked(range.start, range.end - range.start, prot);
int ret = host_stage2_idmap_locked(addr, size, PKVM_HOST_MEM_PROT);
return host_stage2_idmap_locked(phys, PAGE_SIZE, KVM_PGTABLE_PROT_R);