From: Roman Zippel <roman@augan.com>
To: Benjamin Redelings <bredelin@ucla.edu>
Cc: linux-mm@kvack.org
Subject: Re: nice vmm test case
Date: Thu, 06 Jul 2000 10:40:31 +0200 [thread overview]
Message-ID: <396445FF.D1C04180@augan.com> (raw)
In-Reply-To: <39636E66.CE21C296@ucla.edu>
Hi,
> vmscan.c goes through all the pages (at least on my machine) pretty
> fast, and that not all pages are found on the first iteration. If that
> were NOT the case we would be in BIG trouble, because it would never
> scan small processes until all the big ones had been scanned. Also,
> swap_cnt is not update when the RSS changes...
I'm not talking about the scanning speed. What I'm seeing is that vi
continuously touches it pages, but as soon as _some_ pages are needed,
_all_ pages are swapped out. An operation that took a few minutes
before, takes now several hours (hmm, maybe days... the test that I
started on 2.2 yesterday still isn't finished :( ).
bye, Roman
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next prev parent reply other threads:[~2000-07-06 8:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-07-05 17:20 Benjamin Redelings
2000-07-06 8:40 ` Roman Zippel [this message]
2000-07-06 16:37 ` John Fremlin
2000-07-07 9:37 ` Roman Zippel
-- strict thread matches above, loose matches on Subject: below --
2000-07-05 17:06 Roman Zippel
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