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authorYafang Shao <laoar.shao@gmail.com>2023-03-05 12:46:14 +0000
committerAlexei Starovoitov <ast@kernel.org>2023-03-07 09:33:43 -0800
commit9629363cd05642fe43aded44938adec067ad1da3 (patch)
treea539fb65397d42388846a5f4691e6a15091f36e3 /include/linux/bpf.h
parentb4fd0d672bca001632d7291b5b162b08e065b815 (diff)
bpf: offload map memory usage
A new helper is introduced to calculate offload map memory usage. But currently the memory dynamically allocated in netdev dev_ops, like nsim_map_update_elem, is not counted. Let's just put it aside now. Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Link: https://lore.kernel.org/r/20230305124615.12358-18-laoar.shao@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'include/linux/bpf.h')
-rw-r--r--include/linux/bpf.h6
1 files changed, 6 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)