Hello, On Mon, Sep 21, 2015 at 03:03:50PM +0200, Petr Mladek wrote: > +static int khugepaged_has_work(void) > +{ > + return !list_empty(&khugepaged_scan.mm_head) && > + khugepaged_enabled(); > +} Hmmm... no biggie but this is a bit bothering. > @@ -425,7 +447,10 @@ static ssize_t scan_sleep_millisecs_store(struct kobject *kobj, > return -EINVAL; > > khugepaged_scan_sleep_millisecs = msecs; > - wake_up_interruptible(&khugepaged_wait); > + if (khugepaged_has_work()) > + mod_delayed_kthread_work(khugepaged_worker, > + &khugepaged_do_scan_work, > + 0); What's wrong with just doing the following? if (khugepaged_enabled()) mod_delayed_kthread_work(...); 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>