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Date: Tue, 6 Nov 2001 17:05:41 +0100
From: Stephan von Krawczynski <skraw@ithnet.com>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: marcelo@conectiva.com.br, andrea@suse.de, linux-kernel@vger.kernel.org
Subject: Re: out_of_memory() heuristic broken for different mem configurations
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On Tue, 6 Nov 2001 07:25:40 -0800 (PST) Linus Torvalds <torvalds@transmeta.com>
wrote:

> Note how you also go for seconds with no IO and no shrinking of the
> caches, while shrink_cache() is apparently happy (and no, it does not take
> several seconds to traverse even a 16GB inactive queue, there's something
> else going on)

Did you time it? There is a lot of things going on in the shrink_cache loop
including swap_out, wait_on_page, locks, ...
It's not really simple traversing of a queue.

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