Messages in this thread | | | Date | Wed, 22 Mar 2000 18:50:14 -0300 (BRST) | From | Rik van Riel <> | Subject | Re: Some questions about linux kernel. |
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On Wed, 22 Mar 2000, Marcelo Tosatti wrote: > On Wed, 22 Mar 2000, Rik van Riel wrote: > > On Wed, 15 Mar 2000, Paul Jakma wrote:
> > > i guess though it's a 2.5 thing. Rik, do you know of anyone > > > investigating per-user limits for 2.5? (a lot of linux users > > > would like to see it.. hint hint..)
> > Some people are looking into this and if you remind them > > they might even finish it :) > > Rik, could you please describe yours per-user resource limits > idea which we were discussing?
OK, the idea was to have the kernel keep the per-user limits in kernel memory, with a (flexible?) configuration file that's handled in userspace.
The kernel simply keeps the info for all UIDs with running processes in memory and reuses the others in LRU order (so that a user that gets lots of email doesn't cause the info to be reloaded every few seconds).
The way to load the info into the kernel is probably best done by a userland helper program that parses the config file (in a flexible and easy format) and hands the data to the kernel in a more rigid and compact format. (just as we do now with loading modules)
regards,
Rik -- The Internet is not a network of computers. It is a network of people. That is its real strength.
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