[PATCH 26/33] kthread: Include kthreadd to the managed affinity list
Frederic Weisbecker
frederic at kernel.org
Thu Jan 1 14:13:51 PST 2026
The unbound kthreads affinity management performed by cpuset is going to
be imported to the kthread core code for consolidation purposes.
Treat kthreadd just like any other kthread.
Signed-off-by: Frederic Weisbecker <frederic at kernel.org>
Reviewed-by: Waiman Long <longman at redhat.com>
---
kernel/kthread.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/kthread.c b/kernel/kthread.c
index 51c0908d3d02..85ccf5bb17c9 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -818,12 +818,13 @@ int kthreadd(void *unused)
/* Setup a clean context for our children to inherit. */
set_task_comm(tsk, comm);
ignore_signals(tsk);
- set_cpus_allowed_ptr(tsk, housekeeping_cpumask(HK_TYPE_KTHREAD));
set_mems_allowed(node_states[N_MEMORY]);
current->flags |= PF_NOFREEZE;
cgroup_init_kthreadd();
+ kthread_affine_node();
+
for (;;) {
set_current_state(TASK_INTERRUPTIBLE);
if (list_empty(&kthread_create_list))
--
2.51.1
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