diff --git a/backends/hostmem-file.c b/backends/hostmem-file.c
index 25141283c4..38ea65bec5 100644
--- a/backends/hostmem-file.c
+++ b/backends/hostmem-file.c
@@ -27,6 +27,7 @@ struct HostMemoryBackendFile {
 
     char *mem_path;
     uint64_t align;
+    uint64_t offset;
     bool discard_data;
     bool is_pmem;
     bool readonly;
@@ -58,7 +59,8 @@ file_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
     ram_flags |= fb->is_pmem ? RAM_PMEM : 0;
     memory_region_init_ram_from_file(&backend->mr, OBJECT(backend), name,
                                      backend->size, fb->align, ram_flags,
-                                     fb->mem_path, fb->readonly, errp);
+                                     fb->mem_path, fb->offset, fb->readonly,
+                                     errp);
     g_free(name);
 #endif
 }
@@ -125,6 +127,36 @@ static void file_memory_backend_set_align(Object *o, Visitor *v,
     fb->align = val;
 }
 
+static void file_memory_backend_get_offset(Object *o, Visitor *v,
+                                          const char *name, void *opaque,
+                                          Error **errp)
+{
+    HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(o);
+    uint64_t val = fb->offset;
+
+    visit_type_size(v, name, &val, errp);
+}
+
+static void file_memory_backend_set_offset(Object *o, Visitor *v,
+                                          const char *name, void *opaque,
+                                          Error **errp)
+{
+    HostMemoryBackend *backend = MEMORY_BACKEND(o);
+    HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(o);
+    uint64_t val;
+
+    if (host_memory_backend_mr_inited(backend)) {
+        error_setg(errp, "cannot change property '%s' of %s", name,
+                   object_get_typename(o));
+        return;
+    }
+
+    if (!visit_type_size(v, name, &val, errp)) {
+        return;
+    }
+    fb->offset = val;
+}
+
 #ifdef CONFIG_LIBPMEM
 static bool file_memory_backend_get_pmem(Object *o, Error **errp)
 {
@@ -197,6 +229,12 @@ file_backend_class_init(ObjectClass *oc, void *data)
         file_memory_backend_get_align,
         file_memory_backend_set_align,
         NULL, NULL);
+    object_class_property_add(oc, "offset", "int",
+        file_memory_backend_get_offset,
+        file_memory_backend_set_offset,
+        NULL, NULL);
+    object_class_property_set_description(oc, "offset",
+        "Offset into the target file (ex: 1G)");
 #ifdef CONFIG_LIBPMEM
     object_class_property_add_bool(oc, "pmem",
         file_memory_backend_get_pmem, file_memory_backend_set_pmem);
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 2e602a2fad..bd67198111 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -1318,6 +1318,7 @@ void memory_region_init_resizeable_ram(MemoryRegion *mr,
  * @ram_flags: RamBlock flags. Supported flags: RAM_SHARED, RAM_PMEM,
  *             RAM_NORESERVE,
  * @path: the path in which to allocate the RAM.
+ * @offset: offset within the file referenced by path
  * @readonly: true to open @path for reading, false for read/write.
  * @errp: pointer to Error*, to store an error if it happens.
  *
@@ -1331,6 +1332,7 @@ void memory_region_init_ram_from_file(MemoryRegion *mr,
                                       uint64_t align,
                                       uint32_t ram_flags,
                                       const char *path,
+                                      ram_addr_t offset,
                                       bool readonly,
                                       Error **errp);
 
diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h
index f4fb6a2111..90a8269290 100644
--- a/include/exec/ram_addr.h
+++ b/include/exec/ram_addr.h
@@ -110,6 +110,7 @@ long qemu_maxrampagesize(void);
  *  @ram_flags: RamBlock flags. Supported flags: RAM_SHARED, RAM_PMEM,
  *              RAM_NORESERVE.
  *  @mem_path or @fd: specify the backing file or device
+ *  @offset: Offset into target file
  *  @readonly: true to open @path for reading, false for read/write.
  *  @errp: pointer to Error*, to store an error if it happens
  *
@@ -119,7 +120,7 @@ long qemu_maxrampagesize(void);
  */
 RAMBlock *qemu_ram_alloc_from_file(ram_addr_t size, MemoryRegion *mr,
                                    uint32_t ram_flags, const char *mem_path,
-                                   bool readonly, Error **errp);
+                                   off_t offset, bool readonly, Error **errp);
 RAMBlock *qemu_ram_alloc_from_fd(ram_addr_t size, MemoryRegion *mr,
                                  uint32_t ram_flags, int fd, off_t offset,
                                  bool readonly, Error **errp);
diff --git a/qapi/qom.json b/qapi/qom.json
index 30e76653ad..d4e16c57a3 100644
--- a/qapi/qom.json
+++ b/qapi/qom.json
@@ -649,6 +649,7 @@
 { 'struct': 'MemoryBackendFileProperties',
   'base': 'MemoryBackendProperties',
   'data': { '*align': 'size',
+            '*offset': 'size',
             '*discard-data': 'bool',
             'mem-path': 'str',
             '*pmem': { 'type': 'bool', 'if': 'CONFIG_LIBPMEM' },
diff --git a/qemu-options.hx b/qemu-options.hx
index d59d19704b..2f12a9299e 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -4875,7 +4875,7 @@ SRST
     they are specified. Note that the 'id' property must be set. These
     objects are placed in the '/objects' path.
 
-    ``-object memory-backend-file,id=id,size=size,mem-path=dir,share=on|off,discard-data=on|off,merge=on|off,dump=on|off,prealloc=on|off,host-nodes=host-nodes,policy=default|preferred|bind|interleave,align=align,readonly=on|off``
+    ``-object memory-backend-file,id=id,size=size,mem-path=dir,share=on|off,discard-data=on|off,merge=on|off,dump=on|off,prealloc=on|off,host-nodes=host-nodes,policy=default|preferred|bind|interleave,align=align,offset=offset,readonly=on|off``
         Creates a memory file backend object, which can be used to back
         the guest RAM with huge pages.
 
@@ -4945,6 +4945,10 @@ SRST
         such cases, users can specify the required alignment via this
         option.
 
+        The ``offset`` option specifies the offset into the target file
+        that the region starts at. You can use this parameter to overload
+        multiple regions into a single file.
+
         The ``pmem`` option specifies whether the backing file specified
         by ``mem-path`` is in host persistent memory that can be
         accessed using the SNIA NVM programming model (e.g. Intel
diff --git a/softmmu/memory.c b/softmmu/memory.c
index 9d64efca26..c9bdebcdf4 100644
--- a/softmmu/memory.c
+++ b/softmmu/memory.c
@@ -1601,6 +1601,7 @@ void memory_region_init_ram_from_file(MemoryRegion *mr,
                                       uint64_t align,
                                       uint32_t ram_flags,
                                       const char *path,
+                                      ram_addr_t offset,
                                       bool readonly,
                                       Error **errp)
 {
@@ -1612,7 +1613,7 @@ void memory_region_init_ram_from_file(MemoryRegion *mr,
     mr->destructor = memory_region_destructor_ram;
     mr->align = align;
     mr->ram_block = qemu_ram_alloc_from_file(size, mr, ram_flags, path,
-                                             readonly, &err);
+                                             offset, readonly, &err);
     if (err) {
         mr->size = int128_zero();
         object_unparent(OBJECT(mr));
diff --git a/softmmu/physmem.c b/softmmu/physmem.c
index cb998cdf23..d5a6a0553f 100644
--- a/softmmu/physmem.c
+++ b/softmmu/physmem.c
@@ -2114,7 +2114,7 @@ RAMBlock *qemu_ram_alloc_from_fd(ram_addr_t size, MemoryRegion *mr,
 
 RAMBlock *qemu_ram_alloc_from_file(ram_addr_t size, MemoryRegion *mr,
                                    uint32_t ram_flags, const char *mem_path,
-                                   bool readonly, Error **errp)
+                                   off_t offset, bool readonly, Error **errp)
 {
     int fd;
     bool created;
@@ -2126,7 +2126,8 @@ RAMBlock *qemu_ram_alloc_from_file(ram_addr_t size, MemoryRegion *mr,
         return NULL;
     }
 
-    block = qemu_ram_alloc_from_fd(size, mr, ram_flags, fd, 0, readonly, errp);
+    block = qemu_ram_alloc_from_fd(size, mr, ram_flags, fd, offset, readonly,
+                                   errp);
     if (!block) {
         if (created) {
             unlink(mem_path);
