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

Tejun Heo tj at kernel.org
Fri Oct 5 22:14:51 EDT 2012

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?



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