Re: [PATCH V2 2/3] sched/numa: Enhance vma scanning logic

From: Peter Zijlstra
Date: Mon Feb 27 2023 - 05:06:44 EST


On Mon, Feb 27, 2023 at 12:10:41PM +0530, Raghavendra K T wrote:
> In summary: I do see that access to VMAs from disjoint sets is not fully
> fair, But on the other hand it is not very bad too. There is definitely
> some scope or possibility to explore/improve fairness in this area
> further.

Ok, might be good to summarize some of this in a comment near here, so
that readers are aware of the caveat of this code.

> PS: I have also tested above applying V3 patch (which incorporates your
> suggestions), have not seen much deviation in observation with patch.

I'll see if I can find it in this dumpester fire I call inbox :-)