libbpf-tools: resolve KERNEL_VERSION macro redefined

Signed-off-by: Hengqi Chen <chenhengqi@outlook.com>

diff --git a/libbpf-tools/biolatency.bpf.c b/libbpf-tools/biolatency.bpf.c
index 8e6e81e20a81c2831a3e3ecff35c1276e3d2ae2e..8d8fe584d431d33002457b4aae88f4c06f1f58d0 100644 (file)
--- a/libbpf-tools/biolatency.bpf.c
+++ b/libbpf-tools/biolatency.bpf.c
@@ -9,8 +9,6 @@
 
 #define MAX_ENTRIES    10240
 
-#define KERNEL_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c))
-
 extern int LINUX_KERNEL_VERSION __kconfig;
 
 const volatile bool targ_per_disk = false;