Re: [PATCH 07/16] cgroup: fix warning when building without any subsys

From: Arnd Bergmann
Date: Sat Oct 06 2012 - 02:22:52 EST


On Saturday 06 October 2012, Tejun Heo wrote:
> On Fri, Oct 05, 2012 at 04:55:21PM +0200, Arnd Bergmann wrote:
> > In a configuration where the base cgroup support is enabled but
> > every single cgroup subsys is turned off, CGROUP_BUILTIN_SUBSYS_COUNT
> > is zero, which causes the sanity check code in cgroup_load_subsys
> > to trigger:
> >
> > BUG_ON(ss->subsys_id >= CGROUP_BUILTIN_SUBSYS_COUNT);
> > BUG_ON(subsys[ss->subsys_id] != ss);
>
> CGROUP_BUILTIN_SUBSYS_COUNT is already gone in mainline. I suppose
> this is no longer necessary?

Ah, you are right. I can confirm the problem is gone, and I'll drop
the patch.

Arnd
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