worker_thread: don't play with SIGCHLD and numa policy
[powerpc.git] / kernel / workqueue.c
index c9ab429..25cee1a 100644 (file)
@@ -289,23 +289,11 @@ static int worker_thread(void *__cwq)
 {
        struct cpu_workqueue_struct *cwq = __cwq;
        DEFINE_WAIT(wait);
-       struct k_sigaction sa;
 
        if (!cwq->wq->freezeable)
                current->flags |= PF_NOFREEZE;
 
        set_user_nice(current, -5);
-       /*
-        * We inherited MPOL_INTERLEAVE from the booting kernel.
-        * Set MPOL_DEFAULT to insure node local allocations.
-        */
-       numa_default_policy();
-
-       /* SIG_IGN makes children autoreap: see do_notify_parent(). */
-       sa.sa.sa_handler = SIG_IGN;
-       sa.sa.sa_flags = 0;
-       siginitset(&sa.sa.sa_mask, sigmask(SIGCHLD));
-       do_sigaction(SIGCHLD, &sa, (struct k_sigaction *)0);
 
        for (;;) {
                prepare_to_wait(&cwq->more_work, &wait, TASK_INTERRUPTIBLE);