--- zzzz-none-000/linux-3.10.107/mm/vmstat.c	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/mm/vmstat.c	2021-11-10 11:53:56.000000000 +0000
@@ -51,6 +51,14 @@
 	put_online_cpus();
 }
 EXPORT_SYMBOL_GPL(all_vm_events);
+#if defined(CONFIG_AVM_POWERMETER)
+/**--------------------------------------------------------------------------------**\
+ * unprotected - for bh/irq-context 
+\**--------------------------------------------------------------------------------**/
+void __all_vm_events(unsigned long *ret) {
+	sum_vm_events(ret);
+}
+#endif/*--- #if defined(CONFIG_AVM_POWERMETER) ---*/
 
 /*
  * Fold the foreign cpu events into our own.