Re: [RFC][PATCH] the proposal of improve page reclaim by throttle

[KOSAKI Motohiro]

Hi Nick,

> Yeah this is definitely needed and a nice result.
> 
> I'm worried about a) placing a global limit on parallelism, and b)
> placing a limit on parallelism at all.

sorry, i don't understand yet.
a) and b) have any relation?

> 
> I think it should maybe be a per-zone thing...
> 
> What happens if you make it a per-zone mutex, and allow just a single
> process to reclaim pages from a given zone at a time? I guess that is
> going to slow down throughput a little bit in some cases though...

That makes sense.

OK.
I'll repost after 2-3 days.

Thanks.

- kosaki


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