diff --git a/scripts/gdb/linux/constants.py.in b/scripts/gdb/linux/constants.py.in
index 04c87b570aab..e810e0c27ff1 100644
--- a/scripts/gdb/linux/constants.py.in
+++ b/scripts/gdb/linux/constants.py.in
@@ -158,3 +158,4 @@ LX_CONFIG(CONFIG_STACKDEPOT)
 LX_CONFIG(CONFIG_PAGE_OWNER)
 LX_CONFIG(CONFIG_SLUB_DEBUG)
 LX_CONFIG(CONFIG_SLAB_FREELIST_HARDENED)
+LX_CONFIG(CONFIG_MMU)
diff --git a/scripts/gdb/linux/vmalloc.py b/scripts/gdb/linux/vmalloc.py
index 48e4a4fae7bb..d3c8a0274d1e 100644
--- a/scripts/gdb/linux/vmalloc.py
+++ b/scripts/gdb/linux/vmalloc.py
@@ -10,8 +10,9 @@ import gdb
 import re
 from linux import lists, utils, stackdepot, constants, mm
 
-vmap_area_type = utils.CachedType('struct vmap_area')
-vmap_area_ptr_type = vmap_area_type.get_type().pointer()
+if constants.LX_CONFIG_MMU:
+    vmap_area_type = utils.CachedType('struct vmap_area')
+    vmap_area_ptr_type = vmap_area_type.get_type().pointer()
 
 def is_vmalloc_addr(x):
     pg_ops = mm.page_ops().ops
@@ -25,6 +26,9 @@ class LxVmallocInfo(gdb.Command):
         super(LxVmallocInfo, self).__init__("lx-vmallocinfo", gdb.COMMAND_DATA)
 
     def invoke(self, arg, from_tty):
+        if not constants.LX_CONFIG_MMU:
+            raise gdb.GdbError("Requires MMU support")
+
         vmap_area_list = gdb.parse_and_eval('vmap_area_list')
         for vmap_area in lists.list_for_each_entry(vmap_area_list, vmap_area_ptr_type, "list"):
             if not vmap_area['vm']: