__unregister_ftrace_function 2698 kernel/trace/ftrace.c 		__unregister_ftrace_function(ops);
__unregister_ftrace_function 2721 kernel/trace/ftrace.c 	ret = __unregister_ftrace_function(ops);
__unregister_ftrace_function   41 kernel/trace/ftrace_internal.h int __unregister_ftrace_function(struct ftrace_ops *ops);
__unregister_ftrace_function   52 kernel/trace/ftrace_internal.h 		int ___ret = __unregister_ftrace_function(ops);		\