Re: mergemem (http://das.ist.org/mergemem/)

Jamie Lokier (lkd@tantalophile.demon.co.uk)
Tue, 2 Nov 1999 13:26:26 +0100

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van Heusden, Folkert wrote:
> Today I found a webpage on mergemem (http://das.ist.org/mergemem/).
> It's goal is going trough all physical pages and merging
> all identical ones to free-up memory.
> Any chance this feature will be integrated in a main-
> stream kernel?

There was a short discussion a while ago. There are security issues:
it's possible to guess the contents of a page that you shouldn't be able
to see by whether the kernel merges that page with others.

-- Jamie

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