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kthread: Don't looking for a task in create_kthread() #2

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Remove the unnecessary find_task_by_pid_ns(). kthread() can just
use "current" to get the same result.

Signed-off-by: Vitaliy Gusev <vgusev@openvz.org>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Vitaliy Gusev 2009-04-09 09:50:35 -06:00 committed by Rusty Russell
parent 7b85a88ca7
commit 3217ab97f1
1 changed files with 1 additions and 3 deletions
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4
kernel/kthread.c
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@ -76,6 +76,7 @@ static int kthread(void *_create)
/* OK, tell user we're spawned, wait for stop or wakeup */
__set_current_state(TASK_UNINTERRUPTIBLE);
create->result = current;
complete(&create->started);
schedule();
@ -101,9 +102,6 @@ static void create_kthread(struct kthread_create_info *create)
} else {
struct sched_param param = { .sched_priority = 0 };
wait_for_completion(&create->started);
read_lock(&tasklist_lock);
create->result = find_task_by_pid_ns(pid, &init_pid_ns);
read_unlock(&tasklist_lock);
/*
* root may have changed our (kthreadd's) priority or CPU mask.
* The kernel thread should not inherit these properties.