AcoSail/kernel_optimize_test
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Merge branch 'hv_netvsc-next'

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K. Y. Srinivasan says:

====================
hv_netvsc: Implement NUMA aware memory allocation

Allocate both receive buffer and send buffer from the NUMA node assigned to the
primary channel.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2015-05-31 00:23:11 -07:00
commit d1f5f2bb91
1 changed files with 9 additions and 2 deletions
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11
drivers/net/hyperv/netvsc.c
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@ -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);
@ -321,7 +326,9 @@ static int netvsc_init_buf(struct hv_device *device)
/* Now setup the send buffer.
*/
net_device->send_buf = vzalloc(net_device->send_buf_size);
net_device->send_buf = vzalloc_node(net_device->send_buf_size, node);
if (!net_device->send_buf)
net_device->send_buf = vzalloc(net_device->send_buf_size);
if (!net_device->send_buf) {
netdev_err(ndev, "unable to allocate send "
"buffer of size %d\n", net_device->send_buf_size);