linux-kernel - Re: la la la la ... swappiness

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Message-Id: <20061203205947.a0cf92e5.akpm@osdl.org>
Date:	Sun, 3 Dec 2006 20:59:47 -0800
From:	Andrew Morton <akpm@...l.org>
To:	<Aucoin@...ston.RR.com>
Cc:	"'Tim Schmielau'" <tim@...sik3.uni-rostock.de>,
	<torvalds@...l.org>, <linux-kernel@...r.kernel.org>,
	<clameter@....com>
Subject: Re: la la la la ... swappiness

On Sun, 3 Dec 2006 19:54:41 -0600
"Aucoin" <Aucoin@...ston.RR.com> wrote:

> What, if anything, besides manually echoing a "3" to drop_caches will cause
> all those inactive pages to be put back on the free list ?

There is no reason for the kernel to do that - a clean, inactive page is
immediately reclaimable on demand.
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