> +#ifdef CONFIG_GENERIC_ENTRY
> +static inline void __set_task_syscall_work(struct thread_info *ti, int flag)
> +{
> +	set_bit(flag, (unsigned long *)&ti->syscall_work);
> +}
> +static inline int __test_task_syscall_work(struct thread_info *ti, int flag)
> +{
> +	return test_bit(flag, (unsigned long *)&ti->syscall_work);
> +}
> +static inline void __clear_task_syscall_work(struct thread_info *ti, int flag)
> +{
> +	return clear_bit(flag, (unsigned long *)&ti->syscall_work);

The casts here look bogus.