Re: [patch] mm: more likely reclaim MADV_SEQUENTIAL mappings II

[Johannes Weiner <hannes@saeurebad.de>]

KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> writes:

>> >> Is http://hannes.saeurebad.de/madvseq/ still true with this version?
>> >
>> > No, sorry, still running benchmarks on this version.  Coming up
>> > soon...
>> 
>> Ok, reran the tests I used for the data on this website and updated it.
>> Take a look.  I am quite overwhelmed by the results, hehe.
>> 
>> Kosaki-san, could you perhaps run the tests you did for the previous
>> patch on this one, too?  I am not getting any stable results for
>> throughput measuring...
>
> Usually, any reclaim throughput mesurement isn't stable.
> Then I used an average of five times mesurement.

Ah, okay.  I will give it another spin, too.

> Unfortunately, I can't understand I should mesure which patch combination
> because you and Nick post many patches of this issue related yesterday.
> Please let me know it?

mmotm
- the old mm-more-likely-reclaim-madv_sequential-mappings
+ Nick's mm: dont mark_page_accessed in fault path (from yesterday)
+ Apply this patch

Andrew's tree (not yet released) already has the first two changes, so
if he releases a new mmotm in the meantime, you only need this patch on
top of it.

        Hannes

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