--- /dev/null	2019-11-08 09:42:42.340406263 +0100
+++ new/src/hotspot/os/linux/cgroupV1Subsystem_linux.hpp	2019-11-08 15:01:41.184159224 +0100
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2019, 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.
+ *
+ */
+
+#ifndef CGROUP_V1_SUBSYSTEM_LINUX_HPP
+#define CGROUP_V1_SUBSYSTEM_LINUX_HPP
+
+#include "runtime/os.hpp"
+#include "memory/allocation.hpp"
+#include "cgroupSubsystem_linux.hpp"
+
+// Cgroups version 1 specific implementation
+
+class CgroupV1Controller: public CgroupController {
+  private:
+    /* mountinfo contents */
+    char *_root;
+    char *_mount_point;
+
+    /* Constructed subsystem directory */
+    char *_path;
+
+  public:
+    CgroupV1Controller(char *root, char *mountpoint) {
+      _root = os::strdup(root);
+      _mount_point = os::strdup(mountpoint);
+      _path = NULL;
+    }
+
+    virtual void set_subsystem_path(char *cgroup_path);
+    char *subsystem_path() { return _path; }
+};
+
+class CgroupV1MemoryController: public CgroupV1Controller {
+
+  public:
+    bool is_hierarchical() { return _uses_mem_hierarchy; }
+    void set_subsystem_path(char *cgroup_path);
+  private:
+    /* Some container runtimes set limits via cgroup
+     * hierarchy. If set to true consider also memory.stat
+     * file if everything else seems unlimited */
+    bool _uses_mem_hierarchy;
+    jlong uses_mem_hierarchy();
+    void set_hierarchical(bool value) { _uses_mem_hierarchy = value; }
+
+  public:
+    CgroupV1MemoryController(char *root, char *mountpoint) : CgroupV1Controller(root, mountpoint) {
+      _uses_mem_hierarchy = false;
+    }
+
+};
+
+class CgroupV1Subsystem: public CgroupSubsystem {
+
+  public:
+    jlong read_memory_limit_in_bytes();
+    jlong memory_and_swap_limit_in_bytes();
+    jlong memory_soft_limit_in_bytes();
+    jlong memory_usage_in_bytes();
+    jlong memory_max_usage_in_bytes();
+    char * cpu_cpuset_cpus();
+    char * cpu_cpuset_memory_nodes();
+
+    int cpu_quota();
+    int cpu_period();
+
+    int cpu_shares();
+
+    const char * container_type() {
+      return "cgroupv1";
+    }
+    CachingCgroupController * memory_controller() { return _memory; }
+    CachingCgroupController * cpu_controller() { return _cpu; }
+
+  private:
+    julong _unlimited_memory;
+
+    /* controllers */
+    CachingCgroupController* _memory = NULL;
+    CgroupV1Controller* _cpuset = NULL;
+    CachingCgroupController* _cpu = NULL;
+    CgroupV1Controller* _cpuacct = NULL;
+
+  public:
+    CgroupV1Subsystem(CgroupV1Controller* cpuset,
+                      CgroupV1Controller* cpu,
+                      CgroupV1Controller* cpuacct,
+                      CgroupV1MemoryController* memory) {
+      _cpuset = cpuset;
+      _cpu = new CachingCgroupController(cpu);
+      _cpuacct = cpuacct;
+      _memory = new CachingCgroupController(memory);
+      _unlimited_memory = (LONG_MAX / os::vm_page_size()) * os::vm_page_size();
+    }
+};
+
+#endif // CGROUP_V1_SUBSYSTEM_LINUX_HPP