--- zzzz-none-000/linux-4.4.60/include/linux/vmalloc.h	2017-04-08 07:53:53.000000000 +0000
+++ jet-2400-727/linux-4.4.60/include/linux/vmalloc.h	2021-03-17 14:36:41.000000000 +0000
@@ -188,4 +188,8 @@
 #define VMALLOC_TOTAL 0UL
 #endif
 
+#if defined(CONFIG_AVM_ENHANCED) 
+int get_used_vmalloc_mem(void);
+#endif/*--- #if defined(CONFIG_AVM_ENHANCED)  ---*/
+
 #endif /* _LINUX_VMALLOC_H */