Re: [PATCH RFC] sched: introduce add_wait_queue_exclusive_head

From: Peter Zijlstra
Date: Wed Mar 19 2014 - 15:55:41 EST

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;

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