1 files changed, 8 insertions, 0 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index be9924f60ec3..a8d68cdedbbe 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1853,6 +1853,14 @@ 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)) {
                         if (rc & ~NETDEV_TX_MASK)