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memcg: enable accounting for VLAN group array

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vasily Averin
2021-07-19 13:44:44 +03:00
committed by David S. Miller
parent 990c74e3f4
commit a89893dd7b
1 changed files with 1 additions and 1 deletions
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2
net/8021q/vlan.c
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@@ -67,7 +67,7 @@ static int vlan_group_prealloc_vid(struct vlan_group *vg,
return 0; return 0;
size = sizeof(struct net_device *) * VLAN_GROUP_ARRAY_PART_LEN; size = sizeof(struct net_device *) * VLAN_GROUP_ARRAY_PART_LEN;
array = kzalloc(size, GFP_KERNEL); array = kzalloc(size, GFP_KERNEL_ACCOUNT);
if (array == NULL) if (array == NULL)
return -ENOBUFS; return -ENOBUFS;