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Commit f3acd33d authored by xiaolinkui's avatar xiaolinkui Committed by David S. Miller
Browse files

net: use unlikely for dql_avail case 



This is an unlikely case, use unlikely() on it seems logical.

Signed-off-by: default avatarxiaolinkui <xiaolinkui@kylinos.cn>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d4ed7463

include/linux/netdevice.h

+1 −1
Original line number Diff line number Diff line
@@ -3272,7 +3272,7 @@ static inline void netdev_tx_completed_queue(struct netdev_queue *dev_queue, 
	 */

	smp_mb();



	if (dql_avail(&dev_queue->dql) < 0)

	if (unlikely(dql_avail(&dev_queue->dql) < 0))

		return;



	if (test_and_clear_bit(__QUEUE_STATE_STACK_XOFF, &dev_queue->state))