Messages in this thread |  | | Date | Wed, 6 Sep 2000 12:52:42 +0100 (BST) | From | Tigran Aivazian <> | Subject | pagecache sysctl ignored? (fwd) |
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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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