[PATCH v2 06/10] scheduler: Remove the now superfluous sentinel elements from ctl_table array

From: Joel Granados via B4 Relay
Date: Thu Jan 04 2024 - 10:05:41 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/)

rm sentinel element from ctl_table arrays

Acked-by: "Peter Zijlstra (Intel)" <peterz@xxxxxxxxxxxxx>
Signed-off-by: Joel Granados <j.granados@xxxxxxxxxxx>
---
kernel/sched/autogroup.c | 1 -
kernel/sched/core.c | 1 -
kernel/sched/deadline.c | 1 -
kernel/sched/fair.c | 1 -
kernel/sched/rt.c | 1 -
kernel/sched/topology.c | 1 -
6 files changed, 6 deletions(-)

diff --git a/kernel/sched/autogroup.c b/kernel/sched/autogroup.c
index 991fc9002535..db68a964e34e 100644
--- a/kernel/sched/autogroup.c
+++ b/kernel/sched/autogroup.c
@@ -19,7 +19,6 @@ static struct ctl_table sched_autogroup_sysctls[] = {
.extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_ONE,
},
- {}
};

static void __init sched_autogroup_sysctl_init(void)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index a708d225c28e..5631d0ec161b 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4708,7 +4708,6 @@ static struct ctl_table sched_core_sysctls[] = {
.extra2 = SYSCTL_FOUR,
},
#endif /* CONFIG_NUMA_BALANCING */
- {}
};
static int __init sched_core_sysctl_init(void)
{
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index b28114478b82..58cf9defc3b9 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -43,7 +43,6 @@ static struct ctl_table sched_dl_sysctls[] = {
.proc_handler = proc_douintvec_minmax,
.extra2 = (void *)&sysctl_sched_dl_period_max,
},
- {}
};

static int __init sched_dl_sysctl_init(void)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index d7a3c63a2171..8f5f016ebc46 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -157,7 +157,6 @@ static struct ctl_table sched_fair_sysctls[] = {
.extra1 = SYSCTL_ZERO,
},
#endif /* CONFIG_NUMA_BALANCING */
- {}
};

static int __init sched_fair_sysctl_init(void)
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 6aaf0a3d6081..350f4e8b3b2f 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -56,7 +56,6 @@ static struct ctl_table sched_rt_sysctls[] = {
.mode = 0644,
.proc_handler = sched_rr_handler,
},
- {}
};

static int __init sched_rt_sysctl_init(void)
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 10d1391e7416..e3a354173005 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -322,7 +322,6 @@ static struct ctl_table sched_energy_aware_sysctls[] = {
.extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_ONE,
},
- {}
};

static int __init sched_energy_aware_sysctl_init(void)

--
2.30.2