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authorTejun Heo <tj@kernel.org>2013-01-24 23:01:32 +0400
committerTejun Heo <tj@kernel.org>2013-01-24 23:01:32 +0400
commite2905b29122173b72b612c962b138e3fa07476b8 (patch)
tree66d7a8545f1fda113962c4a817673ff5b453c336
parent84b233adcca3cacd5cfa8013a5feda7a3db4a9af (diff)
downloadlinux-e2905b29122173b72b612c962b138e3fa07476b8.tar.xz
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>
-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 2b58905d3504..ff68b1d95b41 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 2ffa240052fa..fe0745f54fcd 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