Re: [PATCH] mempolicy: convert the shared_policy lock to a rwlock

[Vlastimil Babka]

On 11/18/2015 09:05 PM, Nathan Zimmer wrote:
> On 11/18/2015 07:50 AM, Vlastimil Babka wrote:
> > At first glance it seems that RCU would be a good fit here and achieve even
> > better lookup scalability, have you considered it?
>
> Originally that was my plan but when I saw how good the results were
> with the rwlock, I chickened out and took the less prone to mistakes way.
>
> I should also note that the 2% time left in system is not from this lookup
> but another area.

Ah, I see, thanks!
Vlastimil

> Nate

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