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ipc/util.c: remove unnecessary work pending test 

Remove unnecessary work pending test before calling schedule_work().  It
has been tested in queue_work_on() already.  No functional changed.

Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Cc: Tejun Heo <tj@kernel.org>
Reviewed-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Xie XiuQi 2013-11-12 15:11:46 -08:00 committed by Linus Torvalds
parent 66da0e1f90
commit 206fa94097
1 changed files with 1 additions and 3 deletions
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4
ipc/util.c
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@ -90,10 +90,8 @@ static int ipc_memory_callback(struct notifier_block *self,
* In order not to keep the lock on the hotplug memory chain * In order not to keep the lock on the hotplug memory chain
* for too long, queue a work item that will, when waken up, * for too long, queue a work item that will, when waken up,
* activate the ipcns notification chain. * activate the ipcns notification chain.
* No need to keep several ipc work items on the queue.
*/ */
if (!work_pending(&ipc_memory_wq)) schedule_work(&ipc_memory_wq);
schedule_work(&ipc_memory_wq);
break; break;
case MEM_GOING_ONLINE: case MEM_GOING_ONLINE:
case MEM_GOING_OFFLINE: case MEM_GOING_OFFLINE: