summaryrefslogtreecommitdiffstats
path: root/net/core/net-sysfs.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/core/net-sysfs.c')
-rw-r--r--net/core/net-sysfs.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index f85cee3..85e8b53 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -913,6 +913,7 @@ static ssize_t store_xps_map(struct netdev_queue *queue,
struct xps_map *map, *new_map;
struct xps_dev_maps *dev_maps, *new_dev_maps;
int nonempty = 0;
+ int numa_node = -2;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
@@ -953,7 +954,14 @@ static ssize_t store_xps_map(struct netdev_queue *queue,
pos = map_len = alloc_len = 0;
need_set = cpu_isset(cpu, *mask) && cpu_online(cpu);
-
+#ifdef CONFIG_NUMA
+ if (need_set) {
+ if (numa_node == -2)
+ numa_node = cpu_to_node(cpu);
+ else if (numa_node != cpu_to_node(cpu))
+ numa_node = -1;
+ }
+#endif
if (need_set && pos >= map_len) {
/* Need to add queue to this CPU's map */
if (map_len >= alloc_len) {
@@ -1001,6 +1009,8 @@ static ssize_t store_xps_map(struct netdev_queue *queue,
if (dev_maps)
call_rcu(&dev_maps->rcu, xps_dev_maps_release);
+ netdev_queue_numa_node_write(queue, (numa_node >= 0) ? numa_node : -1);
+
mutex_unlock(&xps_map_mutex);
free_cpumask_var(mask);
OpenPOWER on IntegriCloud