diff --git a/cpu/cpu_ppc64x.go b/cpu/cpu_linux_ppc64x.go
similarity index 98%
rename from cpu/cpu_ppc64x.go
rename to cpu/cpu_linux_ppc64x.go
index a971b012..6c8d975d 100644
--- a/cpu/cpu_ppc64x.go
+++ b/cpu/cpu_linux_ppc64x.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build linux
 // +build ppc64 ppc64le
 
 package cpu
diff --git a/cpu/cpu_other_ppc64x.go b/cpu/cpu_other_ppc64x.go
new file mode 100644
index 00000000..3053b4b9
--- /dev/null
+++ b/cpu/cpu_other_ppc64x.go
@@ -0,0 +1,12 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build !linux
+// +build ppc64 ppc64le
+
+package cpu
+
+const cacheLineSize = 128
+
+func doinit() {}