提交 823b018e 编写于 作者: T Tejun Heo

job control: Small reorganization of wait_consider_task()

Move EXIT_DEAD test in wait_consider_task() above ptrace check.  As
ptraced tasks can't be EXIT_DEAD, this change doesn't cause any
behavior change.  This is to prepare for further changes.
Signed-off-by: NTejun Heo <tj@kernel.org>
Acked-by: NOleg Nesterov <oleg@redhat.com>
上级 408a37de
......@@ -1537,6 +1537,10 @@ static int wait_consider_task(struct wait_opts *wo, int ptrace,
return 0;
}
/* dead body doesn't have much to contribute */
if (p->exit_state == EXIT_DEAD)
return 0;
if (likely(!ptrace) && unlikely(task_ptrace(p))) {
/*
* This child is hidden by ptrace.
......@@ -1546,9 +1550,6 @@ static int wait_consider_task(struct wait_opts *wo, int ptrace,
return 0;
}
if (p->exit_state == EXIT_DEAD)
return 0;
/*
* We don't reap group leaders with subthreads.
*/
......
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