diff mbox series

[v4,04/16] memcg: enable accounting for VLAN group array

Message ID b3c1aceb-6a12-0848-95fa-f5447602f794@virtuozzo.com
State Superseded
Headers show
Series [v4,01/16] memcg: enable accounting for net_device and Tx/Rx queues | expand

Commit Message

Vasily Averin April 28, 2021, 6:52 a.m. UTC 
vlan array consume up to 8 pages of memory per net device.

It makes sense to account for them to restrict the host's memory
consumption from inside the memcg-limited container.

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
---
 net/8021q/vlan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 8b644113..d0a579d4 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -67,7 +67,7 @@  static int vlan_group_prealloc_vid(struct vlan_group *vg,
 		return 0;
 
 	size = sizeof(struct net_device *) * VLAN_GROUP_ARRAY_PART_LEN;
-	array = kzalloc(size, GFP_KERNEL);
+	array = kzalloc(size, GFP_KERNEL_ACCOUNT);
 	if (array == NULL)
 		return -ENOBUFS;