linux-next: build warning after merge of the cgroup tree

[Stephen Rothwell]

Hi all,

After merging the cgroup tree, today's linux-next build (arm
multi_v7_defconfig) produced this warning:

kernel/cgroup/cgroup.c:503:36: warning: 'cgroup_tryget_css' defined but not used [-Wunused-function]
  503 | static struct cgroup_subsys_state *cgroup_tryget_css(struct cgroup *cgrp,
      |                                    ^~~~~~~~~~~~~~~~~

Introduced by commit

  1299eb2b0ad5 ("cgroup: minor cleanup for cgroup_extra_stat_show()")

-- 
Cheers,
Stephen Rothwell

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