Messages in this thread | | | Subject | Re: [PATCHv2 11/11] writeback: prevent unnecessary bdi threads wakeups | From | Artem Bityutskiy <> | Date | Thu, 22 Jul 2010 12:50:25 +0300 |
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On Thu, 2010-07-22 at 18:05 +1000, Nick Piggin wrote: > This is producing 2 unrequired context switches, so I really would > like to see it done properly. Setting up a timer is really pretty > simple (or if you would care to implement a delayed process wakeup > API, I think that would be useful -- I'm surprised there isn't one > already).
OK, a generic 'wake_up_process_timeout()' would need a timer, and it cannot set it up on stack because it has to return immediately, this is why we do not have such a generic helper, I think.
-- Best Regards, Artem Bityutskiy (Артём Битюцкий)
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