Re: [PATCH v8 03/10] mm/lru: replace pgdat lru_lock with lruvec lock

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在 2020/4/17 上午1:47, Shakeel Butt 写道:
> I think this would be a very good cleanup and will make the code much
> more readable. I totally agree to keep this separate from the other
> work. Please do CC me the series once it's ready.
> 
> Now regarding the per-memcg LRU locks, Alex, did you get the chance to
> try the workload Hugh has provided? I was planning of posting Hugh's
> patch series but Hugh advised me to wait for your & Johannes's
> response since you both have already invested a lot of time in your
> series and I do want to see how Johannes's TestClearPageLRU() idea
> will look like, so, I will hold off for now.
> 

Hugh Dickin's testcase is great. It reveal the race on memcg charge in hours.

Thanks
Alex





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