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cgroup: mark @cgrp __maybe_unused in cpu_stat_show()

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The local variable @cgrp isn't used if !CONFIG_CGROUP_SCHED.  Mark the
variable with __maybe_unused to avoid a compile warning.

Reported-by: "kbuild-all@01.org" <kbuild-all@01.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Tejun Heo 2017-10-30 08:13:14 -07:00
parent 663d467369
commit c3ba132987
1 changed files with 1 additions and 1 deletions
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2
kernel/cgroup/cgroup.c
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@ -3357,7 +3357,7 @@ static int __maybe_unused cgroup_extra_stat_show(struct seq_file *seq,
static int cpu_stat_show(struct seq_file *seq, void *v)
{
struct cgroup *cgrp = seq_css(seq)->cgroup;
struct cgroup __maybe_unused *cgrp = seq_css(seq)->cgroup;
int ret = 0;
cgroup_stat_show_cputime(seq);