[kbuild-all] [RFC PATCH mcgrof-next] hung_task: sysctl_hung_task_all_cpu_backtrace can be static

kernel/hung_task.c:66:28: warning: symbol 'sysctl_hung_task_all_cpu_backtrace' was not declared. Should it be static? Reported-by: kernel test robot <lkp(a)intel.com&gt; Signed-off-by: kernel test robot <lkp(a)intel.com&gt; --- hung_task.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/hung_task.c b/kernel/hung_task.c index edccc9a09a62f..cf16ddc02f503 100644 --- a/kernel/hung_task.c +++ b/kernel/hung_task.c @@ -63,7 +63,7 @@ static struct task_struct *watchdog_task; * Should we dump all CPUs backtraces in a hung task event? * Defaults to 0, can be changed via sysctl. */ -unsigned int __read_mostly sysctl_hung_task_all_cpu_backtrace; +static unsigned int __read_mostly sysctl_hung_task_all_cpu_backtrace; #else /* Avoid need for ifdefs elsewhere in the code */ enum { sysctl_hung_task_timeout_secs = 0 };