Re: [PATCH v7 2/2] mm: make lru_add_drain_all() selective

[Tejun Heo]

Hello, Chris.

On Wed, Aug 14, 2013 at 12:03:39PM -0400, Chris Metcalf wrote:
> Tejun, I don't know if you have a better idea for how to mark a
> work_struct as being "not used" so we can set and test it here.
> Is setting entry.next to NULL good?  Should we offer it as an API
> in the workqueue header?

Maybe simply defining a static cpumask would be cleaner?

> We could wrap the whole thing in a new workqueue API too, of course
> (schedule_on_each_cpu_cond_sequential??) but it seems better at this
> point to wait until we find another caller with similar needs, and only
> then factor the code into a new workqueue API.

We can have e.g. __schedule_on_cpu(fn, pcpu_works) but yeah it seems a
bit excessive at this point.

Thanks.

-- 
tejun
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