diff --git a/openmp/libomptarget/DeviceRTL/CMakeLists.txt b/openmp/libomptarget/DeviceRTL/CMakeLists.txt
--- a/openmp/libomptarget/DeviceRTL/CMakeLists.txt
+++ b/openmp/libomptarget/DeviceRTL/CMakeLists.txt
@@ -108,6 +108,7 @@
   ${include_directory}/Debug.h
   ${include_directory}/Interface.h
   ${include_directory}/Mapping.h
+  ${include_directory}/Memory.h
   ${include_directory}/State.h
   ${include_directory}/Synchronization.h
   ${include_directory}/Types.h
@@ -119,6 +120,7 @@
   ${source_directory}/Debug.cpp
   ${source_directory}/Kernel.cpp
   ${source_directory}/Mapping.cpp
+  ${source_directory}/Memory.cpp
   ${source_directory}/Misc.cpp
   ${source_directory}/Parallelism.cpp
   ${source_directory}/Reduction.cpp
diff --git a/openmp/libomptarget/DeviceRTL/include/Memory.h b/openmp/libomptarget/DeviceRTL/include/Memory.h
new file mode 100644
--- /dev/null
+++ b/openmp/libomptarget/DeviceRTL/include/Memory.h
@@ -0,0 +1,26 @@
+//===--- Memory.h - OpenMP device runtime memory allocator -------- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+//
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef OMPTARGET_CONFIGURATION_H
+#define OMPTARGET_CONFIGURATION_H
+
+#include "Types.h"
+
+using size_t = uint64_t;
+
+extern "C" {
+void *malloc(size_t Size);
+
+void free(void *);
+}
+
+#endif
diff --git a/openmp/libomptarget/DeviceRTL/src/CMakeLists.txt b/openmp/libomptarget/DeviceRTL/src/CMakeLists.txt
--- a/openmp/libomptarget/DeviceRTL/src/CMakeLists.txt
+++ b/openmp/libomptarget/DeviceRTL/src/CMakeLists.txt
@@ -3,6 +3,7 @@
   Debug.cpp
   Kernel.cpp
   Mapping.cpp
+  Memory.cpp
   Misc.cpp
   Parallelism.cpp
   Reduction.cpp
diff --git a/openmp/libomptarget/DeviceRTL/src/Memory.cpp b/openmp/libomptarget/DeviceRTL/src/Memory.cpp
new file mode 100644
--- /dev/null
+++ b/openmp/libomptarget/DeviceRTL/src/Memory.cpp
@@ -0,0 +1,34 @@
+//===------- Memory.cpp - OpenMP device runtime memory allocator -- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+//
+//===----------------------------------------------------------------------===//
+
+#pragma omp begin declare target device_type(nohost)
+
+#include "Memory.h"
+
+/// AMDGCN Implementation
+///
+///{
+#pragma omp begin declare variant match(device = {arch(amdgcn)})
+
+extern "C" {
+
+unsigned long long __ockl_dm_alloc(unsigned long long __size);
+void __ockl_dm_dealloc(unsigned long long __addr);
+
+void *malloc(size_t Size) { return (void *)__ockl_dm_alloc(Size); }
+
+void free(void *P) { __ockl_dm_dealloc((unsigned long long)P); }
+}
+
+#pragma omp end declare variant
+///}
+
+#pragma omp end declare target