The patch titled
worker_thread: don't play with SIGCHLD and numa policy
has been removed from the -mm tree. Its filename was
worker_thread-dont-play-with-sigchld-and-numa-policy.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: worker_thread: don't play with SIGCHLD and numa policy
From: Oleg Nesterov <oleg@xxxxxxxxxx>
worker_thread() inherits ignored SIGCHLD and numa_default_policy() from its
parent, kthreadd. No need to setup this again.
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Acked-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/workqueue.c | 12 ------------
1 file changed, 12 deletions(-)
diff -puN kernel/workqueue.c~worker_thread-dont-play-with-sigchld-and-numa-policy kernel/workqueue.c
--- a/kernel/workqueue.c~worker_thread-dont-play-with-sigchld-and-numa-policy
+++ a/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);
_
Patches currently in -mm which might be from oleg@xxxxxxxxxx are
origin.patch
freezer-read-pf_borrowed_mm-in-a-nonracy-way.patch
freezer-close-theoretical-race-between-refrigerator-and-thaw_tasks.patch
freezer-remove-pf_nofreeze-from-rcutorture-thread.patch
freezer-remove-pf_nofreeze-from-bluetooth-threads.patch
freezer-add-try_to_freeze-calls-to-all-kernel-threads.patch
freezer-fix-vfork-problem.patch
freezer-take-kernel_execve-into-consideration.patch
nlmclnt_recovery-dont-use-clone_sighand.patch
fix-kthread_create-vs-freezer-theoretical-race.patch
fix-pf_nofreeze-and-freezeable-race-2.patch
freezer-document-task_lock-in-thaw_process.patch
move-frozen_process-to-kernel-power-processc.patch
separate-freezer-from-pm-code-rev-2.patch
introduce-freezer-flags-rev-2.patch
libata-core-convert-to-use-cancel_rearming_delayed_work.patch
clone-flag-clone_parent_tidptr-leaves-invalid-results-in-memory.patch
getrusage-fill-ru_inblock-and-ru_oublock-fields-if-possible.patch
dont-init-pgrp-and-__session-in-init_signals.patch
-
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