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[v2,4/8] x86/vdso: Remove now superfluous sentinel element from ctl_table array

Message ID 20230913-jag-sysctl_remove_empty_elem_arch-v2-4-d1bd13a29bae@samsung.com (mailing list archive)
State New, archived
Headers show
Series [v2,1/8] S390: Remove now superfluous sentinel elem from ctl_table arrays | expand

Commit Message

Joel Granados via B4 Relay Sept. 13, 2023, 9:10 a.m. UTC 
From: Joel Granados <j.granados@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 abi_table2. This removal is safe because
register_sysctl implicitly uses ARRAY_SIZE() in addition to checking for
the sentinel.

Signed-off-by: Joel Granados <j.granados@samsung.com>
---
 arch/x86/entry/vdso/vdso32-setup.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

diff --git a/arch/x86/entry/vdso/vdso32-setup.c b/arch/x86/entry/vdso/vdso32-setup.c
index f3b3cacbcbb0..37b761802181 100644
--- a/arch/x86/entry/vdso/vdso32-setup.c
+++ b/arch/x86/entry/vdso/vdso32-setup.c
@@ -66,8 +66,7 @@  static struct ctl_table abi_table2[] = {
 		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= SYSCTL_ZERO,
 		.extra2		= SYSCTL_ONE,
-	},
-	{}
+	}
 };
 
 static __init int ia32_binfmt_init(void)