swait: Add idle variants which don't contribute to load average

	__ret;								\

})

#define __swait_event_idle(wq, condition)				\

	(void)___swait_event(wq, condition, TASK_IDLE, 0, schedule())

/**

 * swait_event_idle - wait without system load contribution

 * @wq: the waitqueue to wait on

 * @condition: a C expression for the event to wait for

 *

 * The process is put to sleep (TASK_IDLE) until the @condition evaluates to

 * true. The @condition is checked each time the waitqueue @wq is woken up.

 *

 * This function is mostly used when a kthread or workqueue waits for some

 * condition and doesn't want to contribute to system load. Signals are

 * ignored.

 */

#define swait_event_idle(wq, condition)					\

do {									\

	if (condition)							\

		break;							\

	__swait_event_idle(wq, condition);				\

} while (0)

#define __swait_event_idle_timeout(wq, condition, timeout)		\

	___swait_event(wq, ___wait_cond_timeout(condition),		\

		       TASK_IDLE, timeout,				\

		       __ret = schedule_timeout(__ret))

/**

 * swait_event_idle_timeout - wait up to timeout without load contribution

 * @wq: the waitqueue to wait on

 * @condition: a C expression for the event to wait for

 * @timeout: timeout at which we'll give up in jiffies

 *

 * The process is put to sleep (TASK_IDLE) until the @condition evaluates to

 * true. The @condition is checked each time the waitqueue @wq is woken up.

 *

 * This function is mostly used when a kthread or workqueue waits for some

 * condition and doesn't want to contribute to system load. Signals are

 * ignored.

 *

 * Returns:

 * 0 if the @condition evaluated to %false after the @timeout elapsed,

 * 1 if the @condition evaluated to %true after the @timeout elapsed,

 * or the remaining jiffies (at least 1) if the @condition evaluated

 * to %true before the @timeout elapsed.

 */

#define swait_event_idle_timeout(wq, condition, timeout)		\

({									\

	long __ret = timeout;						\

	if (!___wait_cond_timeout(condition))				\

		__ret = __swait_event_idle_timeout(wq,			\

						   condition, timeout);	\

	__ret;								\

})

#endif /* _LINUX_SWAIT_H */