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-rw-r--r--include/linux/workqueue.h1
-rw-r--r--kernel/workqueue.c4
2 files changed, 2 insertions, 3 deletions
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 bool cancel_delayed_work_sync(struct delayed_work *dwork);
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 atomic_t unbound_pool_nr_running[NR_WORKER_POOLS] = {
};
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 @@ EXPORT_SYMBOL_GPL(workqueue_congested);
* 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
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