Make cgroup_debug static since it's only used in cgroup.c Signed-off-by: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx> --- 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