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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/softirq.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/softirq.c')
-rw-r--r--kernel/softirq.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 56e5dec837f..735d8709517 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -845,7 +845,10 @@ static int __cpuinit cpu_callback(struct notifier_block *nfb,
switch (action) {
case CPU_UP_PREPARE:
case CPU_UP_PREPARE_FROZEN:
- p = kthread_create(run_ksoftirqd, hcpu, "ksoftirqd/%d", hotcpu);
+ p = kthread_create_on_node(run_ksoftirqd,
+ hcpu,
+ cpu_to_node(hotcpu),
+ "ksoftirqd/%d", hotcpu);
if (IS_ERR(p)) {
printk("ksoftirqd for %i failed\n", hotcpu);
return notifier_from_errno(PTR_ERR(p));