Re: Speeding up swap
Kristian Koehntopp (kris@koehntopp.de)
Sun, 24 Oct 1999 19:08:09 +0200
On Sun, Oct 24, 1999 at 09:29:44AM -0700, David Schwartz wrote:
> If you allow it to be used by non-privileged processes, you create the
> potential for an untrusted process to cause ridiculous amounts of physical
> I/O. Although one could argue that an untrusted process can currently cause
> as much damage by repeatedly reading sequentially through a file much larger
> than physical memory.
>
That's why I suggested that it is perhaps useful that the user
process gives up its ability to seek() on this fd. I think this
isn't actually useful, but perhaps it would alleviate that
particular problem.
Kristian
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