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kthread: use kthread_create_on_node()

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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>
This commit is contained in:
Eric Dumazet
2011-03-22 16:30:45 -07:00
committed by Linus Torvalds
parent 207205a2ba
commit 94dcf29a11
4 changed files with 16 additions and 6 deletions
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5
net/core/pktgen.c
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@@ -3761,7 +3761,10 @@ static int __init pktgen_create_thread(int cpu)
list_add_tail(&t->th_list, &pktgen_threads);
init_completion(&t->start_done);
p = kthread_create(pktgen_thread_worker, t, "kpktgend_%d", cpu);
p = kthread_create_on_node(pktgen_thread_worker,
t,
cpu_to_node(cpu),
"kpktgend_%d", cpu);
if (IS_ERR(p)) {
pr_err("kernel_thread() failed for cpu %d\n", t->cpu);
list_del(&t->th_list);