Messages in this thread | | | Date | Sun, 24 Oct 1999 19:08:09 +0200 | From | Kristian Koehntopp <> | Subject | Re: Speeding up swap |
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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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