Re: [LSF/MM/BPF TOPIC] Do not pin pages for various direct-io scheme

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On Tue 21-01-20 20:57:23, Jerome Glisse wrote:
> We can also discuss what kind of knobs we want to expose so that
> people can decide to choose the tradeof themself (ie from i want low
> latency io-uring and i don't care wether mm can not do its business; to
> i want mm to never be impeded in its business and i accept the extra
> latency burst i might face in io operations).

I do not think it is a good idea to make this configurable. How can
people sensibly choose between the two without deep understanding of
internals?

-- 
Michal Hocko
SUSE Labs




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