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Commit 50907dbd authored by Prakash Gupta's avatar Prakash Gupta Committed by Ashwini Muduganti
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ion: use unbounded wq for prefetch work 



prefetch work takes long time to complete and hence is not recommended to
use system_wq which is CPU_BOUND.  Instead use system_unbounded_wq to allow
cpus to service ipi while prefetch work is ongoing.

Change-Id: I358f1206b0269a33a4701fbdc66b9659a4c8049e
Signed-off-by: default avatarPrakash Gupta <guptap@codeaurora.org>
parent 806bfa99

drivers/staging/android/ion/ion_system_secure_heap.c

+2 −2
Original line number Diff line number Diff line
@@ -286,7 +286,7 @@ static int __ion_system_secure_heap_resize(struct ion_heap *heap, void *ptr, 
		goto out_free;

	}

	list_splice_init(&items, &secure_heap->prefetch_list);

	schedule_delayed_work(&secure_heap->prefetch_work,

	queue_delayed_work(system_unbound_wq, &secure_heap->prefetch_work,

			   shrink ?  msecs_to_jiffies(SHRINK_DELAY) : 0);

	spin_unlock_irqrestore(&secure_heap->work_lock, flags);