--- old/src/hotspot/os_cpu/linux_x86/gc/z/zNUMA_linux_x86.cpp	2019-03-15 22:39:19.897572546 +0100
+++ /dev/null	2019-03-15 09:53:16.028809098 +0100
@@ -1,83 +0,0 @@
-/*
- * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#include "gc/z/zErrno.hpp"
-#include "gc/z/zCPU.hpp"
-#include "gc/z/zNUMA.hpp"
-#include "runtime/os.hpp"
-#include "utilities/debug.hpp"
-
-#include <unistd.h>
-#include <sys/syscall.h>
-
-#ifndef MPOL_F_NODE
-#define MPOL_F_NODE     (1<<0)  // Return next IL mode instead of node mask
-#endif
-
-#ifndef MPOL_F_ADDR
-#define MPOL_F_ADDR     (1<<1)  // Look up VMA using address
-#endif
-
-static int z_get_mempolicy(uint32_t* mode, const unsigned long *nmask, unsigned long maxnode, uintptr_t addr, int flags) {
-  return syscall(__NR_get_mempolicy, mode, nmask, maxnode, addr, flags);
-}
-
-void ZNUMA::initialize_platform() {
-  _enabled = UseNUMA;
-}
-
-uint32_t ZNUMA::count() {
-  if (!_enabled) {
-    // NUMA support not enabled
-    return 1;
-  }
-
-  return os::Linux::numa_max_node() + 1;
-}
-
-uint32_t ZNUMA::id() {
-  if (!_enabled) {
-    // NUMA support not enabled
-    return 0;
-  }
-
-  return os::Linux::get_node_by_cpu(ZCPU::id());
-}
-
-uint32_t ZNUMA::memory_id(uintptr_t addr) {
-  if (!_enabled) {
-    // NUMA support not enabled, assume everything belongs to node zero
-    return 0;
-  }
-
-  uint32_t id = (uint32_t)-1;
-
-  if (z_get_mempolicy(&id, NULL, 0, addr, MPOL_F_NODE | MPOL_F_ADDR) == -1) {
-    ZErrno err;
-    fatal("Failed to get NUMA id for memory at " PTR_FORMAT " (%s)", addr, err.to_string());
-  }
-
-  assert(id < count(), "Invalid NUMA id");
-
-  return id;
-}
--- /dev/null	2019-03-15 09:53:16.028809098 +0100
+++ new/src/hotspot/os/linux/gc/z/zNUMA_linux.cpp	2019-03-15 22:39:19.612563376 +0100
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include "gc/z/zErrno.hpp"
+#include "gc/z/zCPU.hpp"
+#include "gc/z/zNUMA.hpp"
+#include "runtime/os.hpp"
+#include "utilities/debug.hpp"
+
+#include <unistd.h>
+#include <sys/syscall.h>
+
+#ifndef MPOL_F_NODE
+#define MPOL_F_NODE     (1<<0)  // Return next IL mode instead of node mask
+#endif
+
+#ifndef MPOL_F_ADDR
+#define MPOL_F_ADDR     (1<<1)  // Look up VMA using address
+#endif
+
+static int z_get_mempolicy(uint32_t* mode, const unsigned long *nmask, unsigned long maxnode, uintptr_t addr, int flags) {
+  return syscall(__NR_get_mempolicy, mode, nmask, maxnode, addr, flags);
+}
+
+void ZNUMA::initialize_platform() {
+  _enabled = UseNUMA;
+}
+
+uint32_t ZNUMA::count() {
+  if (!_enabled) {
+    // NUMA support not enabled
+    return 1;
+  }
+
+  return os::Linux::numa_max_node() + 1;
+}
+
+uint32_t ZNUMA::id() {
+  if (!_enabled) {
+    // NUMA support not enabled
+    return 0;
+  }
+
+  return os::Linux::get_node_by_cpu(ZCPU::id());
+}
+
+uint32_t ZNUMA::memory_id(uintptr_t addr) {
+  if (!_enabled) {
+    // NUMA support not enabled, assume everything belongs to node zero
+    return 0;
+  }
+
+  uint32_t id = (uint32_t)-1;
+
+  if (z_get_mempolicy(&id, NULL, 0, addr, MPOL_F_NODE | MPOL_F_ADDR) == -1) {
+    ZErrno err;
+    fatal("Failed to get NUMA id for memory at " PTR_FORMAT " (%s)", addr, err.to_string());
+  }
+
+  assert(id < count(), "Invalid NUMA id");
+
+  return id;
+}