diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c
index 812312542e50..9b9b5cdea840 100644
--- a/arch/powerpc/kvm/44x_tlb.c
+++ b/arch/powerpc/kvm/44x_tlb.c
@@ -316,7 +316,8 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
 	gfn = gpaddr >> PAGE_SHIFT;
 	new_page = gfn_to_page(vcpu->kvm, gfn);
 	if (is_error_page(new_page)) {
-		printk(KERN_ERR "Couldn't get guest page for gfn %lx!\n", gfn);
+		printk(KERN_ERR "Couldn't get guest page for gfn %llx!\n",
+			(unsigned long long)gfn);
 		kvm_release_page_clean(new_page);
 		return;
 	}
diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h
index fb46efbeabec..7ac0d4eee430 100644
--- a/include/linux/kvm_types.h
+++ b/include/linux/kvm_types.h
@@ -32,11 +32,11 @@
 
 typedef unsigned long  gva_t;
 typedef u64            gpa_t;
-typedef unsigned long  gfn_t;
+typedef u64            gfn_t;
 
 typedef unsigned long  hva_t;
 typedef u64            hpa_t;
-typedef unsigned long  hfn_t;
+typedef u64            hfn_t;
 
 typedef hfn_t pfn_t;
 
diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index 779559552ce7..62a9caf0563c 100644
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -108,7 +108,7 @@ int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot)
 			      get_order(page_size), flags);
 		if (r) {
 			printk(KERN_ERR "kvm_iommu_map_address:"
-			       "iommu failed to map pfn=%lx\n", pfn);
+			       "iommu failed to map pfn=%llx\n", pfn);
 			goto unmap_pages;
 		}