--- net/core/dev.c

+++ net/core/dev.c

@@ -1747,6 +1747,14 @@ gso:

skb->next = nskb->next;

nskb->next = NULL;

+

+ /*

+ * If device doesnt need nskb->dst, release it right now while

+ * its hot in this cpu cache

+ */

+ if (dev->priv_flags & IFF_XMIT_DST_RELEASE)

+ skb_dst_drop(nskb);

+

rc = ops->ndo_start_xmit(nskb, dev);

if (unlikely(rc != NETDEV_TX_OK)) {

nskb->next = skb->next;