Messages in this thread | | | Date | Sat, 15 Sep 2007 01:44:49 -0700 | From | Andrew Morton <> | Subject | Re: [00/41] Large Blocksize Support V7 (adds memmap support) |
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On Tue, 11 Sep 2007 14:12:26 +0200 Jörn Engel <joern@logfs.org> 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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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