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perf/cgroup: Remove perf_put_cgroup()

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Commit 5a17f543ed ("cgroup: improve css_from_dir() into css_tryget_from_dir()")
removed perf_tryget_cgroup(), so let's also remove perf_put_cgroup().

Signed-off-by: Zefan Li <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Zefan Li 2014-09-19 16:53:14 +08:00 committed by Tejun Heo
parent f29374b146
commit 4e2ba65068
1 changed files with 1 additions and 6 deletions
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7
kernel/events/core.c
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@ -391,14 +391,9 @@ perf_cgroup_match(struct perf_event *event)
event->cgrp->css.cgroup);
}
static inline void perf_put_cgroup(struct perf_event *event)
{
css_put(&event->cgrp->css);
}
static inline void perf_detach_cgroup(struct perf_event *event)
{
perf_put_cgroup(event);
css_put(&event->cgrp->css);
event->cgrp = NULL;
}