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Subject: Re: mm question
To: volodya@mindspring.com
Date: Mon, 10 Dec 2001 18:26:35 +0000 (GMT)
Cc: riel@conectiva.com.br (Rik van Riel), alan@lxorguk.ukuu.org.uk (Alan Cox),
        linux-kernel@vger.kernel.org
In-Reply-To: <Pine.LNX.4.20.0112101307360.18115-100000@node2.localnet.net> from "volodya@mindspring.com" at Dec 10, 2001 01:08:17 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> > This makes it rather hard to go around trying to free pages
> > within a certain physical range.
> 
> Well, what does kernel do when it runs out of memory ? For example when I
> mmap a large file and start reading it back and force ?

It doesn't care which physical page it gets. Processes being freeing
up/swapping pages they have mappings to. The map counts hit zero and the 
page is discarded.

Alan
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