diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 0efd759e585fe86aeb6d0310cb4a2bf9560ca9be..721e660023f638011bc02b12f9bf9a8c99ce2ecd 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -408,20 +408,6 @@ int kvm_is_error_hva(unsigned long addr)
 }
 EXPORT_SYMBOL_GPL(kvm_is_error_hva);
 
-gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn)
-{
-	int i;
-	struct kvm_mem_alias *alias;
-
-	for (i = 0; i < kvm->naliases; ++i) {
-		alias = &kvm->aliases[i];
-		if (gfn >= alias->base_gfn
-		    && gfn < alias->base_gfn + alias->npages)
-			return alias->target_gfn + gfn - alias->base_gfn;
-	}
-	return gfn;
-}
-
 static struct kvm_memory_slot *__gfn_to_memslot(struct kvm *kvm, gfn_t gfn)
 {
 	int i;
diff --git a/drivers/kvm/x86.c b/drivers/kvm/x86.c
index 7237cb25f77d27030ffe3f160320a52346938a3b..2be59364a49d96f25d4fcfcf3e6d045873775ff3 100644
--- a/drivers/kvm/x86.c
+++ b/drivers/kvm/x86.c
@@ -1119,6 +1119,20 @@ static int kvm_vm_ioctl_get_nr_mmu_pages(struct kvm *kvm)
 	return kvm->n_alloc_mmu_pages;
 }
 
+gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn)
+{
+	int i;
+	struct kvm_mem_alias *alias;
+
+	for (i = 0; i < kvm->naliases; ++i) {
+		alias = &kvm->aliases[i];
+		if (gfn >= alias->base_gfn
+		    && gfn < alias->base_gfn + alias->npages)
+			return alias->target_gfn + gfn - alias->base_gfn;
+	}
+	return gfn;
+}
+
 /*
  * Set a new alias region.  Aliases map a portion of physical memory into
  * another portion.  This is useful for memory windows, for example the PC