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Date: Sun, 31 May 2009 00:15:48 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Ingo Molnar <mingo@elte.hu>
Cc: Rik van Riel <riel@redhat.com>, "Larry H." <research@subreption.com>,
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       Ingo Molnar <mingo@redhat.com>, pageexec@freemail.hu,
       Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [patch 0/5] Support for sanitization flag in low-level page
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> Obviously the argument is best settled by measurements. Done by 
> whoever wants to push this code.

How do you measure security as a mathematical quantity in a benchtest ?

In terms of performance its pretty easy to stick a counter in kzfree in
2.6.30-rc. The number that comes up is very very low.

Alan