[PATCH bpf-next v9 08/34] bpf: refine memcg-based memory accounting for arraymap maps

From: Roman Gushchin
Date: Tue Dec 01 2020 - 17:04:12 EST


Include percpu arrays and auxiliary data into the memcg-based memory
accounting.

Signed-off-by: Roman Gushchin <guro@xxxxxx>
---
kernel/bpf/arraymap.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c
index c6c81eceb68f..d837e0603c89 100644
--- a/kernel/bpf/arraymap.c
+++ b/kernel/bpf/arraymap.c
@@ -34,8 +34,8 @@ static int bpf_array_alloc_percpu(struct bpf_array *array)
int i;

for (i = 0; i < array->map.max_entries; i++) {
- ptr = __alloc_percpu_gfp(array->elem_size, 8,
- GFP_USER | __GFP_NOWARN);
+ ptr = bpf_map_alloc_percpu(&array->map, array->elem_size, 8,
+ GFP_USER | __GFP_NOWARN);
if (!ptr) {
bpf_array_free_percpu(array);
return -ENOMEM;
@@ -1018,7 +1018,7 @@ static struct bpf_map *prog_array_map_alloc(union bpf_attr *attr)
struct bpf_array_aux *aux;
struct bpf_map *map;

- aux = kzalloc(sizeof(*aux), GFP_KERNEL);
+ aux = kzalloc(sizeof(*aux), GFP_KERNEL_ACCOUNT);
if (!aux)
return ERR_PTR(-ENOMEM);

--
2.26.2