Re: Wanted: a limit on kernel log buffer size

Robert Love (rml@tech9.net)
06 Apr 2003 23:39:54 -0400


On Sun, 2003-04-06 at 23:35, Randy.Dunlap wrote:

> > a. If someone won't read the help text, how can we help them?
> >
> > b. If we make a 2 GB log buffer size a compile-time error, will
> > they read that?
> >
> > c. If we make it a compile-time warning, will they read that?
> >
> > d. What limit(s) do you suggest? I can try to add some limits.
> >
> > e. This kind of config limiting should be done in the config system IMO.
> > I've asked Roman for that capability....
>
> Here's a patch that limits kernel log buffer size to 1 MB max.
> Comments?

I liked points (a) and (e) above.

I say if users cannot bother to read the documentation and understanding
things, why are they compiling a kernel?

And if we are going to implement parameters bounds checking it should be
done in kconfig. There are a few other places that want it, too.

Robert Love

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