From: Rik van Riel <H.H.vanRiel@fys.ruu.nl>
To: "Stephen C. Tweedie" <sct@dcs.ed.ac.uk>
Cc: linux-mm <linux-mm@kvack.org>, werner@suse.de
Subject: Re: memory limitation test kit (tm) :-)
Date: Fri, 27 Feb 1998 00:29:44 +0100 (MET) [thread overview]
Message-ID: <Pine.LNX.3.91.980227002715.6476A-100000@mirkwood.dummy.home> (raw)
In-Reply-To: <199802262253.WAA03955@dax.dcs.ed.ac.uk>
On Thu, 26 Feb 1998, Stephen C. Tweedie wrote:
> > I've made a 'very preliminary' test patch to test
> > whether memory limitation / quotation might work.
>
> Running a single task which has a perfectly reasonable resident set
> larger than num_physpages/2 will thrash unnecessarily.
I know... The patch was just meant as a "look it works ...
euhm, nope" type of eye-opener. Once the swap cache and
inactive list infrastructure is in place, we should replace
RSS limit with active limit, ie. the maximum number of active
pages a process is allowed to have. Then we can do effective
and harmless RSS limitation.
Rik.
+-----------------------------+------------------------------+
| For Linux mm-patches, go to | "I'm busy managing memory.." |
| my homepage (via LinuxHQ). | H.H.vanRiel@fys.ruu.nl |
| ...submissions welcome... | http://www.fys.ruu.nl/~riel/ |
+-----------------------------+------------------------------+
prev parent reply other threads:[~1998-02-27 0:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-02-26 12:58 Rik van Riel
1998-02-26 15:32 ` Rik van Riel
1998-02-26 19:10 ` Dr. Werner Fink
1998-02-26 19:29 ` Rik van Riel
1998-02-26 22:53 ` Stephen C. Tweedie
1998-02-26 23:29 ` Rik van Riel [this message]
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