hv_netvsc: Allocate the receive buffer from the correct NUMA node

Allocate the receive bufer from the NUMA node assigned to the primary channel. Signed-off-by: K. Y. Srinivasan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
dlech · May 31, 2015 · 0a726c2 · 0a726c2
1 parent 282c320
commit 0a726c2
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
@@ -227,13 +227,18 @@ static int netvsc_init_buf(struct hv_device *device)
 	struct netvsc_device *net_device;
 	struct nvsp_message *init_packet;
 	struct net_device *ndev;
+	int node;
 
 	net_device = get_outbound_net_device(device);
 	if (!net_device)
 		return -ENODEV;
 	ndev = net_device->ndev;
 
-	net_device->recv_buf = vzalloc(net_device->recv_buf_size);
+	node = cpu_to_node(device->channel->target_cpu);
+	net_device->recv_buf = vzalloc_node(net_device->recv_buf_size, node);
+	if (!net_device->recv_buf)
+		net_device->recv_buf = vzalloc(net_device->recv_buf_size);
+
 	if (!net_device->recv_buf) {
 		netdev_err(ndev, "unable to allocate receive "
 			"buffer of size %d\n", net_device->recv_buf_size);