Thread (13 messages) 13 messages, 3 authors, 2024-01-04
STALE929d REVIEWED: 26 (26M)

[PATCH v2 03/10] ftrace: Remove the now superfluous sentinel elements from ctl_table array

From: Joel Granados via B4 Relay <devnull+j.granados.samsung.com@kernel.org>
Date: 2024-01-04 15:02:45
Also in: b4-sent, bpf, kexec, linux-fsdevel, lkml
Subsystem: function hooks (ftrace), the rest, tracing · Maintainers: Steven Rostedt, Masami Hiramatsu, Linus Torvalds

From: Joel Granados <redacted>

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@bombadil.infradead.org/ (local))

Remove sentinel elements from ftrace_sysctls and user_event_sysctls

Acked-by: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Acked-by: "Steven Rostedt (Google)" <rostedt@goodmis.org>
Signed-off-by: Joel Granados <redacted>
---
 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 8de8bec5f366..fd40d02a23c7 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -8264,7 +8264,6 @@ 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 9365ce407426..b15a103bb11d 100644
--- a/kernel/trace/trace_events_user.c
+++ b/kernel/trace/trace_events_user.c
@@ -2746,7 +2746,6 @@ static struct ctl_table user_event_sysctls[] = {
 		.mode		= 0644,
 		.proc_handler	= set_max_user_events_sysctl,
 	},
-	{}
 };
 
 static int __init trace_events_user_init(void)
-- 
2.30.2
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