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author | 2006-06-23 02:05:55 -0700 | |
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committer | 2006-06-23 07:43:07 -0700 | |
commit | 626ab0e69d376fa07599af669af8ba92d58e87c1 (patch) | |
tree | a995e0231e61fab63568bc7bade81dc20c1dae09 /kernel/workqueue.c | |
parent | [PATCH] list: introduce list_replace() helper (diff) | |
download | linux-626ab0e69d376fa07599af669af8ba92d58e87c1.tar.gz linux-626ab0e69d376fa07599af669af8ba92d58e87c1.tar.bz2 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/workqueue.c')
-rw-r--r-- | kernel/workqueue.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 880fb415a8f6..740c5abceb07 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -531,11 +531,11 @@ int current_is_keventd(void) static void take_over_work(struct workqueue_struct *wq, unsigned int cpu) { struct cpu_workqueue_struct *cwq = per_cpu_ptr(wq->cpu_wq, cpu); - LIST_HEAD(list); + struct list_head list; struct work_struct *work; spin_lock_irq(&cwq->lock); - list_splice_init(&cwq->worklist, &list); + list_replace_init(&cwq->worklist, &list); while (!list_empty(&list)) { printk("Taking work for %s\n", wq->name); |