[PATCH v3 3/7] arch/x86: Remove now superfluous sentinel elem from ctl_table arrays
Joel Granados via B4 Relay
devnull+j.granados.samsung.com at kernel.org
Mon Oct 2 22:30:38 AEDT 2023
From: Joel Granados <j.granados at samsung.com>
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/)
Remove sentinel element from sld_sysctl and itmt_kern_table. This
removal is safe because register_sysctl_init and register_sysctl
implicitly use the array size in addition to checking for the sentinel.
Reviewed-by: Ingo Molnar <mingo at kernel.org>
Acked-by: Dave Hansen <dave.hansen at linux.intel.com> # for x86
Signed-off-by: Joel Granados <j.granados at samsung.com>
---
arch/x86/kernel/cpu/intel.c | 1 -
arch/x86/kernel/itmt.c | 1 -
2 files changed, 2 deletions(-)
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index be4045628fd3..d9bb53f49a4d 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -1016,7 +1016,6 @@ static struct ctl_table sld_sysctls[] = {
.extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_ONE,
},
- {}
};
static int __init sld_mitigate_sysctl_init(void)
diff --git a/arch/x86/kernel/itmt.c b/arch/x86/kernel/itmt.c
index ee4fe8cdb857..9a7c03d47861 100644
--- a/arch/x86/kernel/itmt.c
+++ b/arch/x86/kernel/itmt.c
@@ -74,7 +74,6 @@ static struct ctl_table itmt_kern_table[] = {
.extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_ONE,
},
- {}
};
static struct ctl_table_header *itmt_sysctl_header;
--
2.30.2
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