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-rw-r--r--tools/include/uapi/linux/bpf.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index ead35f39f185..d6bd10759eaf 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -4951,6 +4951,7 @@ union bpf_attr {
* Get address of the traced function (for tracing and kprobe programs).
* Return
* Address of the traced function.
+ * 0 for kprobes placed within the function (not at the entry).
*
* u64 bpf_get_attach_cookie(void *ctx)
* Description