This is a should-if debate, in my opinion. That is, not if you can
do it, but should you. Has anybody thought of the performance hit
that you would take encrypting your swap?
Yes, and people have written papers about it.
If you use hardware, the difference is insignificant. In software,
it's measurable (maybe a 30% hit) but still quite acceptable. See the
Usenix Security Symposium Proceedings for 2000 (I'm too lazy to find
the paper myself).
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to firstname.lastname@example.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/