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-rw-r--r--include/linux/bpf.h6
-rw-r--r--kernel/bpf/offload.c6
-rw-r--r--kernel/bpf/syscall.c1
3 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 9059520bbb5e..6792a7940e1e 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -2624,6 +2624,7 @@ static inline bool bpf_map_is_offloaded(struct bpf_map *map)
struct bpf_map *bpf_map_offload_map_alloc(union bpf_attr *attr);
void bpf_map_offload_map_free(struct bpf_map *map);
+u64 bpf_map_offload_map_mem_usage(const struct bpf_map *map);
int bpf_prog_test_run_syscall(struct bpf_prog *prog,
const union bpf_attr *kattr,
union bpf_attr __user *uattr);
@@ -2695,6 +2696,11 @@ static inline void bpf_map_offload_map_free(struct bpf_map *map)
{
}
+static inline u64 bpf_map_offload_map_mem_usage(const struct bpf_map *map)
+{
+ return 0;
+}
+
static inline int bpf_prog_test_run_syscall(struct bpf_prog *prog,
const union bpf_attr *kattr,
union bpf_attr __user *uattr)
diff --git a/kernel/bpf/offload.c b/kernel/bpf/offload.c
index 0c85e06f7ea7..d9c9f45e3529 100644
--- a/kernel/bpf/offload.c
+++ b/kernel/bpf/offload.c
@@ -563,6 +563,12 @@ void bpf_map_offload_map_free(struct bpf_map *map)
bpf_map_area_free(offmap);
}
+u64 bpf_map_offload_map_mem_usage(const struct bpf_map *map)
+{
+ /* The memory dynamically allocated in netdev dev_ops is not counted */
+ return sizeof(struct bpf_offloaded_map);
+}
+
int bpf_map_offload_lookup_elem(struct bpf_map *map, void *key, void *value)
{
struct bpf_offloaded_map *offmap = map_to_offmap(map);
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 7c96e68859ec..053409d951d2 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -105,6 +105,7 @@ const struct bpf_map_ops bpf_map_offload_ops = {
.map_alloc = bpf_map_offload_map_alloc,
.map_free = bpf_map_offload_map_free,
.map_check_btf = map_check_no_btf,
+ .map_mem_usage = bpf_map_offload_map_mem_usage,
};
static struct bpf_map *find_and_alloc_map(union bpf_attr *attr)