--- zzzz-none-000/linux-4.9.279/mm/vmstat.c	2021-08-08 06:38:54.000000000 +0000
+++ puma7-arm-6591-750/linux-4.9.279/mm/vmstat.c	2023-02-08 10:58:16.000000000 +0000
@@ -62,6 +62,15 @@
 }
 EXPORT_SYMBOL_GPL(all_vm_events);
 
+//original author: mbahr
+#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.
  *