On Tue, 11 Sep 2007 14:12:26 +0200 Jörn Engel <[email protected]> wrote:
> While I agree with your concern, those numbers are quite silly. The
> chances of 99.8% of pages being free and the remaining 0.2% being
> perfectly spread across all 2MB large_pages are lower than those of SHA1
> creating a collision.
Actually it'd be pretty easy to craft an application which allocates seven
pages for pagecache, then one for <something>, then seven for pagecache, then
one for <something>, etc.
I've had test apps which do that sort of thing accidentally. The result
wasn't pretty.
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