linux-kernel - Re: Ability to limit or disable page caching?

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Date:	Mon, 5 May 2008 21:28:31 +0200
From:	FD Cami <francois.cami@...e.fr>
To:	"Kevin Burton" <burtonator@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Ability to limit or disable page caching?

On Mon, 5 May 2008 11:34:24 -0700
"Kevin Burton" <burtonator@...il.com> wrote:

> >> In the mean time is it possible to disable the page cache or limit it
> >> to say 10% of system memory?
> >
> > You might want to look at /proc/sys/vm/ for tunables.
> > /proc/sys/vm/vfs_cache_pressure and /proc/sys/vm/swappiness are probably
> > what you are looking for.
> 
> I haven't played with vfs_cache_pressure so I'll take a look at this.
> 
> Unfortunately, swappiness doesn't work as intended.

Could you explain the original problem ? That way we might help you better.

Best,

Francois
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