On Wed, Nov 28, 2018 at 03:43:18PM -0800, Bart Van Assche wrote:
> +/* Must be called with the graph lock held. */
> +static void remove_class_from_lock_chain(struct lock_chain *chain,
> + struct lock_class *class)
> +{
> + u64 chain_key;
> + int i;
> +
Instead of leaving lock classes that are no longer in use in the
lock_classes array, reuse entries from that array that are no longer
in use. Maintain a linked list of free lock classes with list head
'free_lock_class'. Initialize that list from inside register_lock_class()
instead of from inside l
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