[PATCH] sched: Resolve some shadow warnings

From: Jeff Kirsher
Date: Fri Jul 25 2014 - 12:28:00 EST

From: Mark Rustad <mark.d.rustad@xxxxxxxxx>

Using names like down and up, which are well-known semaphore
functions, makes those functions unavailable. This can be a
trap for the future, should there be reason to call down or
up here. Mostly it is just noise, so make it go away by using
other names.

Signed-off-by: Mark Rustad <mark.d.rustad@xxxxxxxxx>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx>
kernel/sched/sched.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 579712f..a5f0f42 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -253,17 +253,17 @@ struct task_group {
typedef int (*tg_visitor)(struct task_group *, void *);

extern int walk_tg_tree_from(struct task_group *from,
- tg_visitor down, tg_visitor up, void *data);
+ tg_visitor in, tg_visitor out, void *data);

- * Iterate the full tree, calling @down when first entering a node and @up when
+ * Iterate the full tree, calling @in when first entering a node and @out when
* leaving it for the final time.
* Caller must hold rcu_lock or sufficient equivalent.
-static inline int walk_tg_tree(tg_visitor down, tg_visitor up, void *data)
+static inline int walk_tg_tree(tg_visitor in, tg_visitor out, void *data)
- return walk_tg_tree_from(&root_task_group, down, up, data);
+ return walk_tg_tree_from(&root_task_group, in, out, data);

extern int tg_nop(struct task_group *tg, void *data);

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