Re: [PATCH 1/2] sched/wait: Break up long wake list walk

[Davidlohr Bueso]

On Mon, 14 Aug 2017, Linus Torvalds wrote:

> On Mon, Aug 14, 2017 at 8:15 PM, Andi Kleen <ak@xxxxxxxxxxxxxxx> wrote:
> > But what should we do when some other (non page) wait queue runs into the
> > same problem?
>
> Hopefully the same: root-cause it.

Or you can always use wake_qs; which exists _exactly_ for the issues you
are running into. Note that Linus does not want them in general wait:

https://lkml.org/lkml/2017/7/7/605

... but you can always use them on your own if you really need to (ie locks,
ipc, etc).

Thanks,
Davidlohr