[PATCH v2 7/8] ia64: Remove now superfluous sentinel element from ctl_table array
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- To: Luis Chamberlain <mcgrof@xxxxxxxxxx>, willy@xxxxxxxxxxxxx, josh@xxxxxxxxxxxxxxxx, Kees Cook <keescook@xxxxxxxxxxxx>, Iurii Zaikin <yzaikin@xxxxxxxxxx>, Heiko Carstens <hca@xxxxxxxxxxxxx>, Vasily Gorbik <gor@xxxxxxxxxxxxx>, Alexander Gordeev <agordeev@xxxxxxxxxxxxx>, Christian Borntraeger <borntraeger@xxxxxxxxxxxxx>, Sven Schnelle <svens@xxxxxxxxxxxxx>, Gerald Schaefer <gerald.schaefer@xxxxxxxxxxxxx>, Russell King <linux@xxxxxxxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, x86@xxxxxxxxxx, "H. Peter Anvin" <hpa@xxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Paul Walmsley <paul.walmsley@xxxxxxxxxx>, Palmer Dabbelt <palmer@xxxxxxxxxxx>, Albert Ou <aou@xxxxxxxxxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Nicholas Piggin <npiggin@xxxxxxxxx>, Christophe Leroy <christophe.leroy@xxxxxxxxxx>, Guo Ren <guoren@xxxxxxxxxx>, Alexey Gladkov <legion@xxxxxxxxxx>
- Subject: [PATCH v2 7/8] ia64: Remove now superfluous sentinel element from ctl_table array
- From: Joel Granados via B4 Relay <devnull+j.granados.samsung.com@xxxxxxxxxx>
- Date: Wed, 13 Sep 2023 11:11:01 +0200
- Cc: linux-fsdevel@xxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-csky@xxxxxxxxxxxxxxx, Joel Granados <j.granados@xxxxxxxxxxx>
- In-reply-to: <20230913-jag-sysctl_remove_empty_elem_arch-v2-0-d1bd13a29bae@samsung.com>
- References: <20230913-jag-sysctl_remove_empty_elem_arch-v2-0-d1bd13a29bae@samsung.com>
- Reply-to: <j.granados@xxxxxxxxxxx>
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 from kdump_ctl_table. 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@xxxxxxxxxxx>
---
arch/ia64/kernel/crash.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index 88b3ce3e66cd..fbf8893a570c 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -231,8 +231,7 @@ static struct ctl_table kdump_ctl_table[] = {
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
- },
- { }
+ }
};
#endif
--
2.30.2
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