Hello, On Tue, Jul 28, 2015 at 04:39:24PM +0200, Petr Mladek wrote: > -static void khugepaged_wait_work(void) > +static void khugepaged_wait_func(struct kthread_work *dummy) > { > if (khugepaged_has_work()) { > if (!khugepaged_scan_sleep_millisecs) > - return; > + goto out; > > wait_event_freezable_timeout(khugepaged_wait, > - kthread_should_stop(), > + !khugepaged_enabled(), > msecs_to_jiffies(khugepaged_scan_sleep_millisecs)); > - return; > + goto out; > } > > if (khugepaged_enabled()) > wait_event_freezable(khugepaged_wait, khugepaged_wait_event()); > + > +out: > + if (khugepaged_enabled()) > + queue_kthread_work(&khugepaged_worker, > + &khugepaged_do_scan_work); > } There gotta be a better way to do this. It's outright weird to convert it over to work item based interface and then handle idle periods by injecting wait work items. If there's an external event which wakes up the worker, convert that to a queueing event. If it's a timed event, implement a delayed work and queue that with delay. Thanks. -- tejun -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>