diff --git a/compiler-rt/lib/scudo/standalone/CMakeLists.txt b/compiler-rt/lib/scudo/standalone/CMakeLists.txt
--- a/compiler-rt/lib/scudo/standalone/CMakeLists.txt
+++ b/compiler-rt/lib/scudo/standalone/CMakeLists.txt
@@ -73,6 +73,7 @@
   memtag.h
   mem_map.h
   mem_map_base.h
+  mem_map_linux.h
   mutex.h
   options.h
   platform.h
@@ -106,6 +107,7 @@
   fuchsia.cpp
   linux.cpp
   mem_map.cpp
+  mem_map_linux.cpp
   release.cpp
   report.cpp
   rss_limit_checker.cpp
diff --git a/compiler-rt/lib/scudo/standalone/mem_map.h b/compiler-rt/lib/scudo/standalone/mem_map.h
--- a/compiler-rt/lib/scudo/standalone/mem_map.h
+++ b/compiler-rt/lib/scudo/standalone/mem_map.h
@@ -20,6 +20,8 @@
 #include "linux.h"
 #include "trusty.h"
 
+#include "mem_map_linux.h"
+
 namespace scudo {
 
 // This will be deprecated when every allocator has been supported by each
@@ -71,7 +73,7 @@
 };
 
 #if SCUDO_LINUX
-using ReservedMapT = DefaultReservedMap;
+using ReservedMapT = ReservedMapLinux;
 using MemMapT = ReservedMapT::MemMapT;
 #elif SCUDO_FUCHSIA
 using ReservedMapT = DefaultReservedMap;
diff --git a/compiler-rt/lib/scudo/standalone/mem_map.h b/compiler-rt/lib/scudo/standalone/mem_map_linux.h
copy from compiler-rt/lib/scudo/standalone/mem_map.h
copy to compiler-rt/lib/scudo/standalone/mem_map_linux.h
--- a/compiler-rt/lib/scudo/standalone/mem_map.h
+++ b/compiler-rt/lib/scudo/standalone/mem_map_linux.h
@@ -1,4 +1,4 @@
-//===-- mem_map.h -----------------------------------------------*- C++ -*-===//
+//===-- mem_map_linux.h -----------------------------------------*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -6,28 +6,22 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef SCUDO_MEM_MAP_H_
-#define SCUDO_MEM_MAP_H_
+#ifndef SCUDO_MEM_MAP_LINUX_H_
+#define SCUDO_MEM_MAP_LINUX_H_
 
-#include "mem_map_base.h"
+#include "platform.h"
 
-#include "common.h"
-#include "internal_defs.h"
+#if SCUDO_LINUX
 
-// TODO: This is only used for `MapPlatformData`. Remove these includes when we
-// have all three platform specific `MemMap` and `ReservedMap` implementations.
-#include "fuchsia.h"
-#include "linux.h"
-#include "trusty.h"
+#include "common.h"
+#include "mem_map_base.h"
 
 namespace scudo {
 
-// This will be deprecated when every allocator has been supported by each
-// platform's `MemMap` implementation.
-class DefaultMemMap final : public MemMapBase<DefaultMemMap> {
+class MemMapLinux final : public MemMapBase<MemMapLinux> {
 public:
-  constexpr DefaultMemMap() = default;
-  DefaultMemMap(uptr Base, uptr Capacity)
+  constexpr MemMapLinux() = default;
+  MemMapLinux(uptr Base, uptr Capacity)
       : MapBase(Base), MapCapacity(Capacity) {}
 
   // Impls for base functions.
@@ -42,18 +36,15 @@
   uptr getMapBaseImpl() { return MapBase; }
   uptr getMapCapacityImpl() { return MapCapacity; }
 
-  void setMapPlatformData(MapPlatformData &NewData) { Data = NewData; }
-
 private:
   uptr MapBase = 0;
   uptr MapCapacity = 0;
-  MapPlatformData Data = {};
 };
 
 // This will be deprecated when every allocator has been supported by each
 // platform's `MemMap` implementation.
-class DefaultReservedMap final
-    : public ReservedMap<DefaultReservedMap, DefaultMemMap> {
+class ReservedMapLinux final
+    : public ReservedMap<ReservedMapLinux, MemMapLinux> {
 public:
   // The following threes are the Impls for function in `MemMapBase`.
   uptr getMapBaseImpl() { return MapBase; }
@@ -67,23 +58,10 @@
 private:
   uptr MapBase = 0;
   uptr MapCapacity = 0;
-  MapPlatformData Data = {};
 };
 
-#if SCUDO_LINUX
-using ReservedMapT = DefaultReservedMap;
-using MemMapT = ReservedMapT::MemMapT;
-#elif SCUDO_FUCHSIA
-using ReservedMapT = DefaultReservedMap;
-using MemMapT = ReservedMapT::MemMapT;
-#elif SCUDO_TRUSTY
-using ReservedMapT = DefaultReservedMap;
-using MemMapT = ReservedMapT::MemMapT;
-#else
-#error                                                                         \
-    "Unsupported platform, please implement the ReservedMap for your platform!"
-#endif
-
 } // namespace scudo
 
-#endif // SCUDO_MEM_MAP_H_
+#endif // SCUDO_LINUX
+
+#endif // SCUDO_MEM_MAP_LINUX_H_
diff --git a/compiler-rt/lib/scudo/standalone/mem_map_linux.cpp b/compiler-rt/lib/scudo/standalone/mem_map_linux.cpp
new file mode 100644
--- /dev/null
+++ b/compiler-rt/lib/scudo/standalone/mem_map_linux.cpp
@@ -0,0 +1,152 @@
+//===-- mem_map_linux.cpp ---------------------------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "platform.h"
+
+#if SCUDO_LINUX
+
+#include "mem_map_linux.h"
+
+#include "common.h"
+#include "internal_defs.h"
+#include "linux.h"
+#include "mutex.h"
+#include "string_utils.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <linux/futex.h>
+#include <sched.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/syscall.h>
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
+
+#if SCUDO_ANDROID
+#include <sys/prctl.h>
+// Definitions of prctl arguments to set a vma name in Android kernels.
+#define ANDROID_PR_SET_VMA 0x53564d41
+#define ANDROID_PR_SET_VMA_ANON_NAME 0
+#endif
+
+namespace scudo {
+
+static void *mmapWrapper(uptr Addr, uptr Size, const char *Name, uptr Flags) {
+  int MmapFlags = MAP_PRIVATE | MAP_ANONYMOUS;
+  int MmapProt;
+  if (Flags & MAP_NOACCESS) {
+    MmapFlags |= MAP_NORESERVE;
+    MmapProt = PROT_NONE;
+  } else {
+    MmapProt = PROT_READ | PROT_WRITE;
+  }
+#if defined(__aarch64__)
+#ifndef PROT_MTE
+#define PROT_MTE 0x20
+#endif
+  if (Flags & MAP_MEMTAG)
+    MmapProt |= PROT_MTE;
+#endif
+  if (Addr)
+    MmapFlags |= MAP_FIXED;
+  void *P =
+      mmap(reinterpret_cast<void *>(Addr), Size, MmapProt, MmapFlags, -1, 0);
+  if (P == MAP_FAILED) {
+    if (!(Flags & MAP_ALLOWNOMEM) || errno != ENOMEM)
+      dieOnMapUnmapError(errno == ENOMEM ? Size : 0);
+    return nullptr;
+  }
+#if SCUDO_ANDROID
+  if (Name)
+    prctl(ANDROID_PR_SET_VMA, ANDROID_PR_SET_VMA_ANON_NAME, P, Size, Name);
+#else
+  (void)Name;
+#endif
+
+  return P;
+}
+
+bool MemMapLinux::mapImpl(uptr Addr, uptr Size, const char *Name, uptr Flags) {
+  void *P = mmapWrapper(Addr, Size, Name, Flags);
+  if (P == nullptr)
+    return false;
+
+  MapBase = reinterpret_cast<uptr>(P);
+  MapCapacity = Size;
+  return true;
+}
+
+void MemMapLinux::unmapImpl(uptr Addr, uptr Size, UNUSED uptr Flags) {
+  if (Size == MapCapacity) {
+    MapBase = MapCapacity = 0;
+  } else {
+    if (MapBase == Addr)
+      MapBase = Addr + Size;
+    MapCapacity -= Size;
+  }
+
+  if (munmap(reinterpret_cast<void *>(Addr), Size) != 0)
+    dieOnMapUnmapError();
+}
+
+bool MemMapLinux::remapImpl(uptr Addr, uptr Size, const char *Name,
+                            uptr Flags) {
+  void *P = mmapWrapper(Addr, Size, Name, Flags);
+  if (reinterpret_cast<uptr>(P) != Addr)
+    dieOnMapUnmapError();
+  return true;
+}
+
+void MemMapLinux::setMemoryPermissionImpl(uptr Addr, uptr Size, uptr Flags) {
+  int Prot = (Flags & MAP_NOACCESS) ? PROT_NONE : (PROT_READ | PROT_WRITE);
+  if (mprotect(reinterpret_cast<void *>(Addr), Size, Prot) != 0)
+    dieOnMapUnmapError();
+}
+
+void MemMapLinux::releaseAndZeroPagesToOSImpl(uptr From, uptr Size) {
+  void *Addr = reinterpret_cast<void *>(From);
+
+  while (madvise(Addr, Size, MADV_DONTNEED) == -1 && errno == EAGAIN) {
+  }
+}
+
+void ReservedMapLinux::unmapImpl(uptr Addr, uptr Size, UNUSED uptr Flags) {
+  if (Size == MapCapacity) {
+    MapBase = MapCapacity = 0;
+  } else {
+    if (MapBase == Addr)
+      MapBase = Addr + Size;
+    MapCapacity -= Size;
+  }
+
+  if (munmap(reinterpret_cast<void *>(Addr), Size) != 0)
+    dieOnMapUnmapError();
+}
+
+void ReservedMapLinux::reserveImpl(uptr Addr, uptr Size, const char *Name,
+                                   uptr Flags) {
+  ReservedMapLinux::MemMapT MemMap;
+  if (!MemMap.map(Addr, Size, Name, Flags | MAP_NOACCESS))
+    return;
+
+  MapBase = MemMap.getMapBase();
+  MapCapacity = MemMap.getMapCapacity();
+}
+
+ReservedMapLinux::MemMapT ReservedMapLinux::allocateImpl(uptr Addr, uptr Size) {
+  return ReservedMapLinux::MemMapT(Addr, Size);
+}
+
+} // namespace scudo
+
+#endif // SCUDO_LINUX