linux-kernel - [PATCH 01/17] workqueue: unexport work

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Date:	Wed, 16 Jan 2013 17:42:33 -0800
From:	Tejun Heo <tj@...nel.org>
To:	linux-kernel@...r.kernel.org
Cc:	Lai Jiangshan <laijs@...fujitsu.com>, Tejun Heo <tj@...nel.org>
Subject: [PATCH 01/17] 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@...nel.org>
---
 include/linux/workqueue.h | 1 -
 kernel/workqueue.c        | 4 ++--
 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 7967f34..4275ae7 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -476,6 +476,7 @@ 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)
 {
@@ -3428,13 +3429,12 @@ 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
-- 
1.8.0.2

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