From: Andi Kleen <ak@suse.de>
To: "David S. Miller" <davem@redhat.com>
Cc: riel@conectiva.com.br, linux-mm@kvack.org
Subject: Re: [PATCH] 2.3.99-pre6-3+ VM rebalancing
Date: 26 Apr 2000 18:31:50 +0200 [thread overview]
Message-ID: <oupbt2wombt.fsf@pigdrop.muc.suse.de> (raw)
In-Reply-To: "David S. Miller"'s message of "26 Apr 2000 16:48:13 +0200"
"David S. Miller" <davem@redhat.com> writes:
>
> See? The global LRU scheme dynamically figures out what page usage is
> like, it doesn't need to classify processes in a certain way, because
> the per-page reference and dirty state will drive the page liberation
> to just do the right thing.
But is that still fair ? A memory hog could rapidly allocate and
dirty pages, killing the small innocent daemon which just needs to
get some work done.
At least the FreeBSD code i have here has a way to limit maximum
swapout per process and increase it based on the resident pages rlimit.
Linux with your new dancing scheme will probably need this too.
-Andi
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next prev parent reply other threads:[~2000-04-26 16:31 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-04-23 2:08 Rik van Riel
2000-04-25 1:25 ` Simon Kirby
2000-04-25 15:09 ` Rik van Riel
2000-04-25 15:59 ` Andrea Arcangeli
2000-04-25 17:20 ` Rik van Riel
2000-04-25 18:36 ` Simon Kirby
2000-04-25 18:59 ` Jeff Garzik
2000-04-25 19:06 ` Simon Kirby
2000-04-25 19:34 ` Rik van Riel
2000-04-26 11:01 ` Stephen C. Tweedie
2000-04-26 11:15 ` Rik van Riel
2000-04-26 12:29 ` Stephen C. Tweedie
2000-04-26 12:45 ` David S. Miller
2000-04-26 11:25 ` David S. Miller
2000-04-26 13:00 ` Stephen C. Tweedie
2000-04-26 13:11 ` David S. Miller
2000-04-26 15:23 ` Stephen C. Tweedie
2000-04-26 15:25 ` David S. Miller
2000-04-26 16:09 ` Stephen C. Tweedie
2000-04-27 20:28 ` Simon Kirby
2000-04-27 22:32 ` Jamie Lokier
2000-04-26 13:46 ` Rik van Riel
2000-04-26 14:33 ` David S. Miller
2000-04-26 16:31 ` Andi Kleen [this message]
2000-04-26 15:28 ` David S. Miller
2000-04-26 15:41 ` Andi Kleen
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