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Re: arca-vm-8 [Re: [patch] arca-vm-6, killed kswapd [Re: [patch] new-vm , improvement , [Re: 2.2.0 Bug summary]]]

To: Linus Torvalds <torvalds@transmeta.com>
Subject: Re: arca-vm-8 [Re: [patch] arca-vm-6, killed kswapd [Re: [patch] new-vm , improvement , [Re: 2.2.0 Bug summary]]]
From: Andrea Arcangeli <andrea@e-mind.com>
Date: Fri, 8 Jan 1999 01:04:19 +0100 (CET)
cc: linux-kernel@vger.rutgers.edu, linux-mm@kvack.org
In-Reply-To: <Pine.LNX.3.95.990107154908.5025Q-100000@penguin.transmeta.com>
Sender: owner-linux-mm@kvack.org

On Thu, 7 Jan 1999, Linus Torvalds wrote:

> Ehh, and how do you protect against somebody playing games with your mind
> by doing _huge_ mappings of something that takes no real memory? The VM
> footprint of a process is not necessarily related to how much physical
> memory you use. 

I was infact rejecting from the total_vm calc all tasks with a rss == 0,
but yes, I am convinced that my more fine grined counter is not needed.

Andrea Arcangeli

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References:
- Re: arca-vm-8 [Re: [patch] arca-vm-6, killed kswapd [Re: [patch] new-vm , improvement , [Re: 2.2.0 Bug summary]]]
  - From: Linus Torvalds <torvalds@transmeta.com>

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