IB/ehca: Use kthread_create_on_node()
authorEric Dumazet <eric.dumazet@gmail.com>
Sun, 26 Feb 2012 01:47:21 +0000 (17:47 -0800)
committerRoland Dreier <roland@purestorage.com>
Sun, 26 Feb 2012 01:47:21 +0000 (17:47 -0800)
Since create_comp_task() creates percpu kthread, it makes sense to use
kthread_create_on_node() to get proper NUMA affinity for kthread
stack.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
drivers/infiniband/hw/ehca/ehca_irq.c

index e571e60..5358900 100644 (file)
@@ -786,7 +786,8 @@ static struct task_struct *create_comp_task(struct ehca_comp_pool *pool,
        spin_lock_init(&cct->task_lock);
        INIT_LIST_HEAD(&cct->cq_list);
        init_waitqueue_head(&cct->wait_queue);
-       cct->task = kthread_create(comp_task, cct, "ehca_comp/%d", cpu);
+       cct->task = kthread_create_on_node(comp_task, cct, cpu_to_node(cpu),
+                                          "ehca_comp/%d", cpu);
 
        return cct->task;
 }