linux-kernel - [PATCH] perf/cgroup: Remove perf_put

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Message-ID: <541BEEFA.1020800@huawei.com>
Date:	Fri, 19 Sep 2014 16:53:14 +0800
From:	Zefan Li <lizefan@...wei.com>
To:	Ingo Molnar <mingo@...nel.org>
CC:	Tejun Heo <tj@...nel.org>, Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Cgroups <cgroups@...r.kernel.org>
Subject: [PATCH] perf/cgroup: Remove perf_put_cgroup()

Commit 5a17f543ed68 ("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@...wei.com>
---
 kernel/events/core.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index f9c1ed0..2af1cc5 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -392,14 +392,9 @@ 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;
 }
 
-- 
1.8.0.2

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