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Subject[PATCH -next] cgroup: Make cgroup_debug static
Date
Make cgroup_debug static since it's only used in cgroup.c

Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
---
kernel/cgroup/cgroup-internal.h | 1 -
kernel/cgroup/cgroup.c | 2 +-
2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/cgroup/cgroup-internal.h b/kernel/cgroup/cgroup-internal.h
index 6e36e854b512..5da09c74228d 100644
--- a/kernel/cgroup/cgroup-internal.h
+++ b/kernel/cgroup/cgroup-internal.h
@@ -12,7 +12,6 @@
#define TRACE_CGROUP_PATH_LEN 1024
extern spinlock_t trace_cgroup_path_lock;
extern char trace_cgroup_path[TRACE_CGROUP_PATH_LEN];
-extern bool cgroup_debug;
extern void __init enable_debug_cgroup(void);

/*
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index adb820e98f24..a97fd051430b 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -96,7 +96,7 @@ EXPORT_SYMBOL_GPL(css_set_lock);

DEFINE_SPINLOCK(trace_cgroup_path_lock);
char trace_cgroup_path[TRACE_CGROUP_PATH_LEN];
-bool cgroup_debug __read_mostly;
+static bool cgroup_debug __read_mostly;

/*
* Protects cgroup_idr and css_idr so that IDs can be released without
--
2.17.1
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