diff options
| author | Oleg Nesterov | 2006-06-23 11:05:55 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2006-06-23 16:43:07 +0200 |
| commit | 626ab0e69d376fa07599af669af8ba92d58e87c1 (patch) | |
| tree | a995e0231e61fab63568bc7bade81dc20c1dae09 /kernel/timer.c | |
| parent | [PATCH] list: introduce list_replace() helper (diff) | |
| download | kernel-qcow2-linux-626ab0e69d376fa07599af669af8ba92d58e87c1.tar.gz kernel-qcow2-linux-626ab0e69d376fa07599af669af8ba92d58e87c1.tar.xz kernel-qcow2-linux-626ab0e69d376fa07599af669af8ba92d58e87c1.zip | |
[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>
Diffstat (limited to 'kernel/timer.c')
| -rw-r--r-- | kernel/timer.c | 8 |
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; |