The map_fd field of the bpf_attr union is used in the BPF_MAP_FREEZE syscall. Explicitly mention this in the comments. Signed-off-by: Anton Protopopov <aspsk@xxxxxxxxxxxxx> --- include/uapi/linux/bpf.h | 2 +- tools/include/uapi/linux/bpf.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index 661de2444965..1388db053d9e 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -1506,7 +1506,7 @@ union bpf_attr { __s32 map_token_fd; }; - struct { /* anonymous struct used by BPF_MAP_*_ELEM commands */ + struct { /* anonymous struct used by BPF_MAP_*_ELEM and BPF_MAP_FREEZE commands */ __u32 map_fd; __aligned_u64 key; union { diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 661de2444965..1388db053d9e 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -1506,7 +1506,7 @@ union bpf_attr { __s32 map_token_fd; }; - struct { /* anonymous struct used by BPF_MAP_*_ELEM commands */ + struct { /* anonymous struct used by BPF_MAP_*_ELEM and BPF_MAP_FREEZE commands */ __u32 map_fd; __aligned_u64 key; union { -- 2.34.1