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authorEric Dumazet <eric.dumazet@gmail.com>2011-03-22 16:30:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-22 17:44:01 -0700
commit94dcf29a11b3d20a28790598d701f98484a969da (patch)
tree21c65f6634dcde739bb85cbc019ee273f1427f90 /kernel/workqueue.c
parent207205a2ba2655652fe46a60b49838af6c16a919 (diff)
kthread: use kthread_create_on_node()
ksoftirqd, kworker, migration, and pktgend kthreads can be created with kthread_create_on_node(), to get proper NUMA affinities for their stack and task_struct. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: David S. Miller <davem@davemloft.net> Reviewed-by: Andi Kleen <ak@linux.intel.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Tejun Heo <tj@kernel.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: David Howells <dhowells@redhat.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/workqueue.c')
-rw-r--r--kernel/workqueue.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 5ca7ce9ce75..04ef830690e 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1366,8 +1366,10 @@ static struct worker *create_worker(struct global_cwq *gcwq, bool bind)
worker->id = id;
if (!on_unbound_cpu)
- worker->task = kthread_create(worker_thread, worker,
- "kworker/%u:%d", gcwq->cpu, id);
+ worker->task = kthread_create_on_node(worker_thread,
+ worker,
+ cpu_to_node(gcwq->cpu),
+ "kworker/%u:%d", gcwq->cpu, id);
else
worker->task = kthread_create(worker_thread, worker,
"kworker/u:%d", id);