[PATCH bpf-next v9 17/34] bpf: refine memcg-based memory accounting for xskmap maps

From: Roman Gushchin
Date: Tue Dec 01 2020 - 17:02:57 EST


Extend xskmap memory accounting to include the memory taken by
the xsk_map_node structure.

Signed-off-by: Roman Gushchin <guro@xxxxxx>
---
net/xdp/xskmap.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/xdp/xskmap.c b/net/xdp/xskmap.c
index 66231ba6c348..9fff1e6dc9cd 100644
--- a/net/xdp/xskmap.c
+++ b/net/xdp/xskmap.c
@@ -16,7 +16,8 @@ static struct xsk_map_node *xsk_map_node_alloc(struct xsk_map *map,
{
struct xsk_map_node *node;

- node = kzalloc(sizeof(*node), GFP_ATOMIC | __GFP_NOWARN);
+ node = bpf_map_kzalloc(&map->map, sizeof(*node),
+ GFP_ATOMIC | __GFP_NOWARN);
if (!node)
return ERR_PTR(-ENOMEM);

--
2.26.2