[PATCH v3 03/10] ftrace: Remove the now superfluous sentinel elements from ctl_table array

From: Joel Granados via B4 Relay
Date: Thu Mar 28 2024 - 11:44:54 EST


From: Joel Granados <j.granados@xxxxxxxxxxx>

This commit comes at the tail end of a greater effort to remove the
empty elements at the end of the ctl_table arrays (sentinels) which
will reduce the overall build time size of the kernel and run time
memory bloat by ~64 bytes per sentinel (further information Link :
https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@xxxxxxxxxxxxxxxxxxxxxx/)

Remove sentinel elements from ftrace_sysctls and user_event_sysctls

Acked-by: "Masami Hiramatsu (Google)" <mhiramat@xxxxxxxxxx>
Acked-by: "Steven Rostedt (Google)" <rostedt@xxxxxxxxxxx>
Signed-off-by: Joel Granados <j.granados@xxxxxxxxxxx>
---
kernel/trace/ftrace.c | 1 -
kernel/trace/trace_events_user.c | 1 -
2 files changed, 2 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index da1710499698..6cec53aa45a6 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -8270,7 +8270,6 @@ static struct ctl_table ftrace_sysctls[] = {
.mode = 0644,
.proc_handler = ftrace_enable_sysctl,
},
- {}
};

static int __init ftrace_sysctl_init(void)
diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c
index 70d428c394b6..304ceed9fd7d 100644
--- a/kernel/trace/trace_events_user.c
+++ b/kernel/trace/trace_events_user.c
@@ -2833,7 +2833,6 @@ static struct ctl_table user_event_sysctls[] = {
.mode = 0644,
.proc_handler = set_max_user_events_sysctl,
},
- {}
};

static int __init trace_events_user_init(void)

--
2.43.0