diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c b/arch/powerpc/kvm/book3s_hv_builtin.c
index 1c7e6ab5f9de1075693b7fead4a01c6a0bc75123..7caed1dfd7a415ed5ea9fb36920bd413f9d3e82e 100644
--- a/arch/powerpc/kvm/book3s_hv_builtin.c
+++ b/arch/powerpc/kvm/book3s_hv_builtin.c
@@ -152,6 +152,7 @@ static struct kvmppc_linear_info *kvm_alloc_linear(int type)
 		break;
 	}
 	spin_unlock(&linear_lock);
+	memset(ri->base_virt, 0, ri->npages << PAGE_SHIFT);
 	return ri;
 }