Messages in this thread | ![/](/images/icornerl.gif) | | Date | Fri, 16 Jul 1999 01:49:24 +0000 (/etc/localtime) | From | Bernhard Kaindl <> | Subject | Re: [patch] 2.2.10 buffer patch (OOM) |
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On Fri, 9 Jul 1999, Frank van Maarseveen wrote: > > On Thu, Jul 08, 1999 at 08:03:18PM +0200, Andrea Arcangeli wrote: > > o kupdate replaces completly update. It's a separate and alone > > kernel daemon. It has no way to be killed and it won't be swapped > > out. We need kupdate mainly if the machine goes OOM. > > I never realized this could happen. Occasionally some of our machines runs > out of memory because of bad user programs. But, instead of moving every > program to the kernel why not creating a kind of "minfree" parameter > for memory+swap instead? This has already been done for file systems
Not instead, _additionally_. kupdate is just to be sure the you have disk updates as long as possible...
> and IMO it makes sense to do this for memory+swap as well. Whenever > an essential daemon runs as non-root then that might be handled by doing > something like > > echo 0 >/proc/$!/cap/minfreemem > > in the corresponding startup script, should it be necessary. Not > all daemons are essential for proper operation of the system. > I guess one must be root to change the capabilities in this case. >
Of course, i think this will come.
--
- Bernd
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