diff --git a/debuggerd/libdebuggerd/tombstone.cpp b/debuggerd/libdebuggerd/tombstone.cpp
index f5ecf48c5..418d09227 100644
--- a/debuggerd/libdebuggerd/tombstone.cpp
+++ b/debuggerd/libdebuggerd/tombstone.cpp
@@ -413,15 +413,17 @@ static void dump_all_maps(Backtrace* backtrace, BacktraceMap* map, log_t* log, p
   }
 
   ScopedBacktraceMapIteratorLock lock(map);
-  _LOG(log, logtype::MAPS, "\n");
-  if (!print_fault_address_marker) {
-    _LOG(log, logtype::MAPS, "memory map:\n");
-  } else {
-    _LOG(log, logtype::MAPS, "memory map: (fault address prefixed with --->)\n");
+  _LOG(log, logtype::MAPS,
+       "\n"
+       "memory map (%zu entries):\n",
+       map->size());
+  if (print_fault_address_marker) {
     if (map->begin() != map->end() && addr < map->begin()->start) {
       _LOG(log, logtype::MAPS, "--->Fault address falls at %s before any mapped regions\n",
            get_addr_string(addr).c_str());
       print_fault_address_marker = false;
+    } else {
+      _LOG(log, logtype::MAPS, "(fault address prefixed with --->)\n");
     }
   }
 
diff --git a/libbacktrace/include/backtrace/BacktraceMap.h b/libbacktrace/include/backtrace/BacktraceMap.h
index 963c34b64..6cf8b3fca 100644
--- a/libbacktrace/include/backtrace/BacktraceMap.h
+++ b/libbacktrace/include/backtrace/BacktraceMap.h
@@ -91,6 +91,8 @@ public:
   const_iterator begin() const { return maps_.begin(); }
   const_iterator end() const { return maps_.end(); }
 
+  size_t size() const { return maps_.size(); }
+
   virtual bool Build();
 
   static inline bool IsValid(const backtrace_map_t& map) {