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

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Date:	Mon, 5 May 2008 18:06:29 -0400
From:	Rik van Riel <riel@...hat.com>
To:	"Kevin Burton" <burton@...lrank.com>
Cc:	"Chris Friesen" <cfriesen@...tel.com>,
	"FD Cami" <francois.cami@...e.fr>, linux-kernel@...r.kernel.org
Subject: Re: Ability to limit or disable page caching?

On Mon, 5 May 2008 14:32:41 -0700
"Kevin Burton" <burton@...lrank.com> wrote:

> I'd like to be able to disable the cache altogether.....  It seems
> like an easy tunable to add and might help benefit future testing.

Executables, libraries, shared memory segments, directories and all kinds
of other things live in the page cache.  You cannot disable it without
breaking the most basic functionality.

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