From 5de18d169739293e27e0cf9acfc75a2d2f4aa572 Mon Sep 17 00:00:00 2001 From: Oleg Nesterov Date: Wed, 9 May 2007 02:34:36 -0700 Subject: [PATCH] worker_thread: don't play with SIGCHLD and numa policy worker_thread() inherits ignored SIGCHLD and numa_default_policy() from its parent, kthreadd. No need to setup this again. Signed-off-by: Oleg Nesterov Acked-by: "Eric W. Biederman" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/workqueue.c | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index c9ab429390..25cee1afe6 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -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); -- 2.20.1