pktgen: use netdev_alloc_skb

netdev_alloc_skb is NUMA node aware.
Also, don't exhaust atomic emergency pool. Don't want pktgen
to cause OOM behaviour.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 4 deletions

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 90d48ccf651d..2456bd5b086f 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2539,8 +2539,9 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
         mod_cur_headers(pkt_dev);
 
         datalen = (odev->hard_header_len + 16) & ~0xf;
-        skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + datalen +
-                        pkt_dev->pkt_overhead, GFP_ATOMIC);
+        skb = __netdev_alloc_skb(odev,
+                                 pkt_dev->cur_pkt_size + 64
+                                 + datalen + pkt_dev->pkt_overhead, GFP_NOWAIT);
         if (!skb) {
                 sprintf(pkt_dev->result, "No memory");
                 return NULL;
@@ -2878,8 +2879,9 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
         queue_map = pkt_dev->cur_queue_map;
         mod_cur_headers(pkt_dev);
 
-        skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + 16 +
-                        pkt_dev->pkt_overhead, GFP_ATOMIC);
+        skb = __netdev_alloc_skb(odev,
+                                 pkt_dev->cur_pkt_size + 64
+                                 + 16 + pkt_dev->pkt_overhead, GFP_NOWAIT);
         if (!skb) {
                 sprintf(pkt_dev->result, "No memory");
                 return NULL;