Inhibiting swapping with mlock

[Niels Provos]

In message <200001140435.UAA23022 at homer.ka9q.ampr.org>, Phil Karn writes:
>I'm thinking mainly about a machine that has been physically seized.
That was the main motivation behind the swap encryption I implemented
for OpenBSD.  It is amazing what you find on a swap partition: plaintext
passwords, old icb conversations, old emails, old netscape url history
lists, etc...  Data survives across multiple system shutdowns.

Niels.