Messages in this thread | | | Date | Thu, 20 Mar 2014 19:49:04 +0100 | From | Oleg Nesterov <> | Subject | Re: [PATCH RFC] sched: introduce add_wait_queue_exclusive_head |
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On 03/19, Peter Zijlstra wrote: > > On Wed, Mar 19, 2014 at 07:44:29PM +0000, Dilger, Andreas wrote: > > The original reason for l_wait_event() not using TASK_UNINTERRUPTIBLE > > is to avoid the load on the server continually being "num_service_threads" > > regardless of whether they are actually doing something or not. We > > added various cases for periodic wakeups and such afterward. > > Hmm, maybe we should finally do the TASK_IDLE thing; > > https://lkml.org/lkml/2013/11/12/710
Agreed. And if we are not going to expose TASK_IDLE bit in /proc/ (I think we should not) the patch should be really trivial.
Oleg.
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