workqueue: unexport work_cpu()
This function no longer has any external users. Unexport it. It will
be removed later on.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Lai Jiangshan <laijs@cn.fujitsu.com>
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 2b58905..ff68b1d 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -426,7 +426,6 @@
extern void workqueue_set_max_active(struct workqueue_struct *wq,
int max_active);
extern bool workqueue_congested(unsigned int cpu, struct workqueue_struct *wq);
-extern unsigned int work_cpu(struct work_struct *work);
extern unsigned int work_busy(struct work_struct *work);
/*
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 2ffa240..fe0745f 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -449,6 +449,7 @@
};
static int worker_thread(void *__worker);
+static unsigned int work_cpu(struct work_struct *work);
static int worker_pool_pri(struct worker_pool *pool)
{
@@ -3419,13 +3420,12 @@
* RETURNS:
* CPU number if @work was ever queued. WORK_CPU_NONE otherwise.
*/
-unsigned int work_cpu(struct work_struct *work)
+static unsigned int work_cpu(struct work_struct *work)
{
struct global_cwq *gcwq = get_work_gcwq(work);
return gcwq ? gcwq->cpu : WORK_CPU_NONE;
}
-EXPORT_SYMBOL_GPL(work_cpu);
/**
* work_busy - test whether a work is currently pending or running