Re: [PATCH 4/4] cfq-iosched: Allow parent cgroup to preempt its child

[Jan Kara]

 On Thu 26-11-15 04:24:23, kbuild test robot wrote:
> Hi Jan,
> 
> [auto build test ERROR on block/for-next]
> [also build test ERROR on v4.4-rc2 next-20151124]
> 
> url:    https://github.com/0day-ci/linux/commits/Jan-Kara/SYNC_NOIDLE-preemption-for-ancestor-cgroups/20151125-222645
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
> config: i386-allmodconfig (attached as .config)
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=i386 
> 
> All errors (new ones prefixed by >>):
> 
> >> ERROR: "cgroup_is_descendant" undefined!

Ah, I didn't notice the function is not exported. Attached patch fixes the
build.

								Honza
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR