[PATCH] list: use list_replace_init() instead of list_splice_init()

list_splice_init(list, head) does unneeded job if it is known that
list_empty(head) == 1.  We can use list_replace_init() instead.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/kernel/timer.c b/kernel/timer.c
index 9e49deed468c..3bf0e9ed2dbe 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -419,10 +419,10 @@ static inline void __run_timers(tvec_base_t *base)
 
         spin_lock_irq(&base->lock);
         while (time_after_eq(jiffies, base->timer_jiffies)) {
-                struct list_head work_list = LIST_HEAD_INIT(work_list);
+                struct list_head work_list;
                 struct list_head *head = &work_list;
                 int index = base->timer_jiffies & TVR_MASK;
- 
+
                 /*
                  * Cascade timers:
                  */
@@ -431,8 +431,8 @@ static inline void __run_timers(tvec_base_t *base)
                                 (!cascade(base, &base->tv3, INDEX(1))) &&
                                         !cascade(base, &base->tv4, INDEX(2)))
                         cascade(base, &base->tv5, INDEX(3));
-                ++base->timer_jiffies; 
-                list_splice_init(base->tv1.vec + index, &work_list);
+                ++base->timer_jiffies;
+                list_replace_init(base->tv1.vec + index, &work_list);
                 while (!list_empty(head)) {
                         void (*fn)(unsigned long);
                         unsigned long data;