kvm_pgtable_stage2_unmap
int kvm_pgtable_stage2_unmap(struct kvm_pgtable *pgt, u64 addr, u64 size);
ret = kvm_pgtable_stage2_unmap(&vm->pgt, ipa, size);
ret = kvm_pgtable_stage2_unmap(pgt, addr, reg->base - addr);
return kvm_pgtable_stage2_unmap(pgt, addr, BIT(pgt->ia_bits) - addr);
WARN_ON(stage2_apply_range(mmu, start, end, KVM_PGT_FN(kvm_pgtable_stage2_unmap),