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-rw-r--r--include/linux/bpf.h3
-rw-r--r--include/uapi/linux/bpf.h1
2 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index be20804631b5..65f7094c40b4 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -87,7 +87,8 @@ struct bpf_map {
struct btf *btf;
u32 pages;
bool unpriv_array;
- /* 51 bytes hole */
+ bool frozen; /* write-once */
+ /* 48 bytes hole */
/* The 3rd and 4th cacheline with misc members to avoid false sharing
* particularly with refcounting.
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index d275446d807c..af1cbd951f26 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -105,6 +105,7 @@ enum bpf_cmd {
BPF_BTF_GET_FD_BY_ID,
BPF_TASK_FD_QUERY,
BPF_MAP_LOOKUP_AND_DELETE_ELEM,
+ BPF_MAP_FREEZE,
};
enum bpf_map_type {