Re: [PATCH RFC] sched: introduce add_wait_queue_exclusive_head

[Peter Zijlstra]

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

Oleg?
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