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IB/fmr_pool: Stop ib_fmr threads from contributing to load average

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I noticed my machine was at a constant load average of 1. This was
because ib_create_fmr_pool calls kthread_create but does not
immediately wake the thread up.

Change to using kthread_run so we enter ib_fmr_cleanup_thread(), set
TASK_INTERRUPTIBLE, then go to sleep.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Anton Blanchard 2007-10-30 14:57:43 -07:00 committed by Roland Dreier
parent 164ef7a252
commit 3f776e8a25
1 changed files with 4 additions and 4 deletions
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8
drivers/infiniband/core/fmr_pool.c
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@ -291,10 +291,10 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd,
atomic_set(&pool->flush_ser, 0); atomic_set(&pool->flush_ser, 0);
init_waitqueue_head(&pool->force_wait); init_waitqueue_head(&pool->force_wait);
pool->thread = kthread_create(ib_fmr_cleanup_thread, pool->thread = kthread_run(ib_fmr_cleanup_thread,
pool, pool,
"ib_fmr(%s)", "ib_fmr(%s)",
device->name); device->name);
if (IS_ERR(pool->thread)) { if (IS_ERR(pool->thread)) {
printk(KERN_WARNING PFX "couldn't start cleanup thread\n"); printk(KERN_WARNING PFX "couldn't start cleanup thread\n");
ret = PTR_ERR(pool->thread); ret = PTR_ERR(pool->thread);