On Mon, Mar 06, 2006 at 08:27:16AM -0800, Dave Hansen wrote:
> On Sat, 2006-03-04 at 03:27 -0700, Eric W. Biederman wrote:
> > > I don't see an immediately clear solution on how to containerize sysctls
> > > properly. The entire construct seems to be built around getting data
> > > from in and out of global variables and into /proc files.
> >
> > I successfully handled pid_max. So while it is awkward you can get
> > per task values in and out if sysctl.
>
> This:
>
> http://www.kernel.org/git/gitweb.cgi?p=linux/kernel/git/ebiederm/linux-2.6-ns.git;a=commitdiff;h=1150082e0bae41a3621043b4c5ce15e9112884fa
>
> sir, is a hack :)
>
> We can't possibly do that for each and every sysctl variable. It would
> mean about fourteen billion duplicated _conv() functions.
>
> I'm wondering if, instead of having the .data field in that table, we
> can have a function pointer which, when called, gives a pointer to the
> data. I'll give it a shot.
something similar to this?
http://www.13thfloor.at/vserver/d_rel26/v2.1.0/split-2.6.14.4-vs2.1.0/15_2.6.14.4_virt.diff.hl
(look for virt_handler() for sysctl ops)
best,
Herbert
> -- Dave
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