[PATCHv3 bpf-next 4/9] bpf: Switch BUILD_ID_SIZE_MAX to enum

[Jiri Olsa <jolsa@xxxxxxxxxx>]

Switching BUILD_ID_SIZE_MAX to enum, so we expose it to BPF
programs through vmlinux.h.

Suggested-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
 include/linux/buildid.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/linux/buildid.h b/include/linux/buildid.h
index b8b2e00420d6..316971c634fe 100644
--- a/include/linux/buildid.h
+++ b/include/linux/buildid.h
@@ -5,7 +5,9 @@
 #include <linux/mm_types.h>
 #include <linux/slab.h>
 
-#define BUILD_ID_SIZE_MAX 20
+enum {
+	BUILD_ID_SIZE_MAX = 20
+};
 
 struct build_id {
 	u32 sz;
-- 
2.39.2