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Subjectpagecache sysctl ignored? (fwd)
argggh.... couldn't they keep the rutgers.edu to be valid... or keep
redhat.com - it's much easier to remember than kernel.org :)

---------- Forwarded message ----------
Date: Wed, 6 Sep 2000 12:31:06 +0100 (BST)
From: Tigran Aivazian <tigran@veritas.com>
To: linux-kernel@vger.rutgers.edu
Cc: Rik van Riel <riel@conectiva.com.br>
Subject: pagecache sysctl ignored?

Hi guys,

I always suspected that Linux VM is perfect but the apparent horrible
performance thereof is merely due to bad choice of default tunables. Now,
I changed /proc/sys/vm/pagecache to be "2 15 50" but I still see pagecache
taking up more than 99% of my memory (instead of 50 or 65?). So I grepped
the source and see that the tunable is in fact totally ignored.

Is this what needs to be done to solve all so-called "Linux VM problems"?
I.e. to find which parts of pagecache code need to be aware of the
pagecache tunable (defined in mm/swap.c)?

Regards,
Tigran



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