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From: Dan Malek <dan@embeddededge.com>
Date: Mon, 7 Feb 2005 18:42:24 -0500
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev list <linuxppc-dev@ozlabs.org>,
	linuxppc64-dev <linuxppc64-dev@ozlabs.org>,
	Chris Friesen <cfriesen@nortel.com>,
	Linux Kernel list <linux-kernel@vger.kernel.org>,
	Arjan van de Ven <arjan@infradead.org>
Subject: Re: question on symbol exports
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On Feb 7, 2005, at 4:35 PM, Benjamin Herrenschmidt wrote:

> Interesting... more than no swap, you must also make sure you have no
> r/w mmap'ed file (which are technically equivalent to swap).

Yeah, I kinda had a similar thought.  Just because you aren't
swapping doesn't mean the VM subsystem isn't looking at dirty bits,
too.  It could potentially steal a page that it thinks can be replaced
from either a zero-fill or reading again from persistent storage.


	-- Dan