workqueue: consistently use int for @cpu variables
Workqueue is mixing unsigned int and int for @cpu variables. There's
no point in using unsigned int for cpus - many of cpu related APIs
take int anyway. Consistently use int for @cpu variables so that we
can use negative values to mark special ones.
This patch doesn't introduce any visible behavior changes.
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 5bd030f..899be66 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -435,7 +435,7 @@
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 bool workqueue_congested(int cpu, struct workqueue_struct *wq);
extern unsigned int work_busy(struct work_struct *work);
/*
@@ -466,12 +466,12 @@
}
#ifndef CONFIG_SMP
-static inline long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg)
+static inline long work_on_cpu(int cpu, long (*fn)(void *), void *arg)
{
return fn(arg);
}
#else
-long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg);
+long work_on_cpu(int cpu, long (*fn)(void *), void *arg);
#endif /* CONFIG_SMP */
#ifdef CONFIG_FREEZER