diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index bae0b20..0172add 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -1660,6 +1660,24 @@
   cmd.extend(["--vendor_ramdisk", ramdisk_img.name])
   cmd.extend(["--vendor_boot", img.name])
 
+  ramdisk_fragment_imgs = []
+  fn = os.path.join(sourcedir, "vendor_ramdisk_fragments")
+  if os.access(fn, os.F_OK):
+    ramdisk_fragments = shlex.split(open(fn).read().rstrip("\n"))
+    for ramdisk_fragment in ramdisk_fragments:
+      fn = os.path.join(sourcedir, "RAMDISK_FRAGMENTS", ramdisk_fragment, "mkbootimg_args")
+      cmd.extend(shlex.split(open(fn).read().rstrip("\n")))
+      fn = os.path.join(sourcedir, "RAMDISK_FRAGMENTS", ramdisk_fragment, "prebuilt_ramdisk")
+      # Use prebuilt image if found, else create ramdisk from supplied files.
+      if os.access(fn, os.F_OK):
+        ramdisk_fragment_pathname = fn
+      else:
+        ramdisk_fragment_root = os.path.join(sourcedir, "RAMDISK_FRAGMENTS", ramdisk_fragment)
+        ramdisk_fragment_img = _MakeRamdisk(ramdisk_fragment_root, lz4_ramdisks=use_lz4)
+        ramdisk_fragment_imgs.append(ramdisk_fragment_img)
+        ramdisk_fragment_pathname = ramdisk_fragment_img.name
+      cmd.extend(["--vendor_ramdisk_fragment", ramdisk_fragment_pathname])
+
   RunAndCheckOutput(cmd)
 
   # AVB: if enabled, calculate and add hash.
@@ -1677,6 +1695,8 @@
   img.seek(os.SEEK_SET, 0)
   data = img.read()
 
+  for f in ramdisk_fragment_imgs:
+    f.close()
   ramdisk_img.close()
   img.close()