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Re: Subtle MM bug

To: Linus Torvalds <torvalds@transmeta.com>
Subject: Re: Subtle MM bug
From: Marcelo Tosatti <marcelo@conectiva.com.br>
Date: Mon, 8 Jan 2001 11:11:32 -0200 (BRST)
cc: "David S. Miller" <davem@redhat.com>, Rik van Riel <riel@conectiva.com.br>, linux-mm@kvack.org
In-Reply-To: <Pine.LNX.4.10.10101072223160.29065-100000@penguin.transmeta.com>
Sender: owner-linux-mm@kvack.org

On Sun, 7 Jan 2001, Linus Torvalds wrote:

> and just get rid of all the logic to try to "find the best mm". It's bogus
> anyway: we should get perfectly fair access patterns by just doing
> everything in round-robin, and each "swap_out_mm(mm)" would just try to
> walk some fixed percentage of the RSS size (say, something like
> 
> 	count = (mm->rss >> 4)
> 
> and be done with it.

I have the impression that a fixed percentage of the RSS will be a problem
when you have a memory hog (or hogs) running.


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Follow-Ups:
- Re: Subtle MM bug
  - From: Rik van Riel <riel@conectiva.com.br>
- Re: Subtle MM bug
  - From: Linus Torvalds <torvalds@transmeta.com>

References:
- Re: Subtle MM bug
  - From: Linus Torvalds <torvalds@transmeta.com>

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