Messages in this thread |  | | Date | Tue, 26 Sep 2000 11:02:48 -0600 | From | Erik Andersen <> | Subject | Re: the new VMt |
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On Tue Sep 26, 2000 at 05:04:06PM +0100, Stephen C. Tweedie wrote: > Hi, > > On Tue, Sep 26, 2000 at 09:17:44AM -0600, yodaiken@fsmlabs.com wrote: > > > Operating systems cannot make more memory appear by magic. > > The question is really about the best strategy for dealing with low memory. In my > > opinion, the OS should not try to out-think physical limitations. Instead, the OS > > should take as little space as possible and provide the ability for user level > > clever management of space. In a truly embedded system, there can easily be a user level > > root process that watches memory usage and prevents DOS attacks -- if the OS provides > > settable enforced quotas etc. > > Agreed, absolutely. The beancounter is one approach to those quotas, > and has the advantage of allowing per-user as well as per-process > quotas.
Another approach would be to let user space turn off overcommit. That way, user space can be assured there will be no surprises...
-Erik
-- Erik B. Andersen email: andersee@debian.org --This message was written using 73% post-consumer electrons-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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