bool try_module_get(struct module *module)
{
	bool ret = true;

	if (module) {
		preempt_disable();
		/* Note: here, we can fail to get a reference */
		if (likely(module_is_live(module) &&
			   atomic_inc_not_zero(&module->refcnt) != 0))
			trace_module_get(module, _RET_IP_);
		else
			ret = false;

		preempt_enable();
	}
	return ret;
}
bool try_module_get(struct module *module)
{
	bool ret = true;

	if (module) {
		preempt_disable();
		 
		if (likely(module_is_live(module) &&
			   atomic_inc_not_zero(&module->refcnt) != 0))
			trace_module_get(module, _RET_IP_);
		else
			ret = false;

		preempt_enable();
	}
	return ret;
}