ftrace_make_nop   520 include/linux/ftrace.h extern int ftrace_make_nop(struct module *mod,
ftrace_make_nop  2387 kernel/trace/ftrace.c 		return ftrace_make_nop(NULL, rec, ftrace_old_addr);
ftrace_make_nop  2504 kernel/trace/ftrace.c 	ret = ftrace_make_nop(mod, rec, MCOUNT_ADDR);