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From: Miaohe Lin <[email protected]>
To: <[email protected]>
Cc: Luis Chamberlain <[email protected]>, <[email protected]>,
	<[email protected]>, <[email protected]>,
	<[email protected]>,
	<[email protected]>,
	<[email protected]>, <[email protected]>,
	<[email protected]>, <[email protected]>,
	<[email protected]>,
	Andrew Morton <[email protected]>,
	Muchun Song <[email protected]>,
	Naoya Horiguchi <[email protected]>,
	John Johansen <[email protected]>,
	Paul Moore <[email protected]>,
	James Morris <[email protected]>,
	"Serge E. Hallyn" <[email protected]>,
	David Howells <[email protected]>,
	Jarkko Sakkinen <[email protected]>,
	Kees Cook <[email protected]>,
	Herbert Xu <[email protected]>,
	"David S. Miller" <[email protected]>,
	Jens Axboe <[email protected]>,
	Pavel Begunkov <[email protected]>,
	Atish Patra <[email protected]>,
	Anup Patel <[email protected]>, Will Deacon <[email protected]>,
	Mark Rutland <[email protected]>,
	Paul Walmsley <[email protected]>,
	Palmer Dabbelt <[email protected]>,
	Albert Ou <[email protected]>
Subject: Re: [PATCH 1/7] memory: Remove the now superfluous sentinel element from ctl_table array
Date: Mon, 1 Apr 2024 11:41:09 +0800	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

On 2024/3/28 23:57, Joel Granados via B4 Relay wrote:
> From: Joel Granados <[email protected]>
> 
> 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%[email protected]/)
> 
> Remove sentinel from all files under mm/ that register a sysctl table.
> 
> Signed-off-by: Joel Granados <[email protected]>

Reviewed-by: Miaohe Lin <[email protected]>

Thanks.

> ---
>  mm/compaction.c      | 1 -
>  mm/hugetlb.c         | 1 -
>  mm/hugetlb_vmemmap.c | 1 -
>  mm/memory-failure.c  | 1 -
>  mm/oom_kill.c        | 1 -
>  mm/page-writeback.c  | 1 -
>  mm/page_alloc.c      | 1 -
>  7 files changed, 7 deletions(-)
> 
> diff --git a/mm/compaction.c b/mm/compaction.c
> index 807b58e6eb68..e8a047afca22 100644
> --- a/mm/compaction.c
> +++ b/mm/compaction.c
> @@ -3345,7 +3345,6 @@ static struct ctl_table vm_compaction[] = {
>  		.extra1		= SYSCTL_ZERO,
>  		.extra2		= SYSCTL_ONE,
>  	},
> -	{ }
>  };
>  
>  static int __init kcompactd_init(void)
> diff --git a/mm/hugetlb.c b/mm/hugetlb.c
> index 23ef240ba48a..7ac5240a197d 100644
> --- a/mm/hugetlb.c
> +++ b/mm/hugetlb.c
> @@ -5045,7 +5045,6 @@ static struct ctl_table hugetlb_table[] = {
>  		.mode		= 0644,
>  		.proc_handler	= hugetlb_overcommit_handler,
>  	},
> -	{ }
>  };
>  
>  static void hugetlb_sysctl_init(void)
> diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c
> index da177e49d956..b9a55322e52c 100644
> --- a/mm/hugetlb_vmemmap.c
> +++ b/mm/hugetlb_vmemmap.c
> @@ -679,7 +679,6 @@ static struct ctl_table hugetlb_vmemmap_sysctls[] = {
>  		.mode		= 0644,
>  		.proc_handler	= proc_dobool,
>  	},
> -	{ }
>  };
>  
>  static int __init hugetlb_vmemmap_init(void)
> diff --git a/mm/memory-failure.c b/mm/memory-failure.c
> index 9349948f1abf..6a112f9ecf91 100644
> --- a/mm/memory-failure.c
> +++ b/mm/memory-failure.c
> @@ -141,7 +141,6 @@ static struct ctl_table memory_failure_table[] = {
>  		.extra1		= SYSCTL_ZERO,
>  		.extra2		= SYSCTL_ONE,
>  	},
> -	{ }
>  };
>  
>  /*
> diff --git a/mm/oom_kill.c b/mm/oom_kill.c
> index 8d6a207c3c59..4d7a0004df2c 100644
> --- a/mm/oom_kill.c
> +++ b/mm/oom_kill.c
> @@ -724,7 +724,6 @@ static struct ctl_table vm_oom_kill_table[] = {
>  		.mode		= 0644,
>  		.proc_handler	= proc_dointvec,
>  	},
> -	{}
>  };
>  #endif
>  
> diff --git a/mm/page-writeback.c b/mm/page-writeback.c
> index 3e19b87049db..fba324e1a010 100644
> --- a/mm/page-writeback.c
> +++ b/mm/page-writeback.c
> @@ -2291,7 +2291,6 @@ static struct ctl_table vm_page_writeback_sysctls[] = {
>  		.mode		= 0644,
>  		.proc_handler	= proc_dointvec_jiffies,
>  	},
> -	{}
>  };
>  #endif
>  
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 14d39f34d336..8b9820620fe3 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -6211,7 +6211,6 @@ static struct ctl_table page_alloc_sysctl_table[] = {
>  		.extra2		= SYSCTL_ONE_HUNDRED,
>  	},
>  #endif
> -	{}
>  };
>  
>  void __init page_alloc_sysctl_init(void)
> 


  parent reply	other threads:[~2024-04-01  3:41 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-28 15:57 [PATCH 0/7] sysctl: Remove sentinel elements from misc directories Joel Granados via B4 Relay
2024-03-28 15:57 ` [PATCH 1/7] memory: Remove the now superfluous sentinel element from ctl_table array Joel Granados via B4 Relay
2024-04-01  3:21   ` Muchun Song
2024-04-01  3:41   ` Miaohe Lin [this message]
2024-03-28 15:57 ` [PATCH 2/7] security: " Joel Granados via B4 Relay
2024-04-15 13:44   ` Joel Granados
2024-04-15 14:17     ` Paul Moore
2024-04-15 19:02       ` Paul Moore
2024-04-16  7:53         ` Joel Granados
2024-04-15 16:06   ` Kees Cook
2024-03-28 15:57 ` [PATCH 3/7] crypto: " Joel Granados via B4 Relay
2024-04-05  7:56   ` Herbert Xu
2024-03-28 15:57 ` [PATCH 4/7] initrd: " Joel Granados via B4 Relay
2024-03-28 15:57 ` [PATCH 5/7] ipc: " Joel Granados via B4 Relay
2024-03-28 15:57 ` [PATCH 6/7] io_uring: Remove the now superfluous sentinel elements " Joel Granados via B4 Relay
2024-03-28 15:57 ` [PATCH 7/7] drivers: perf: " Joel Granados via B4 Relay
2024-03-28 23:05 ` (subset) [PATCH 0/7] sysctl: Remove sentinel elements from misc directories Jens Axboe
2024-04-09 16:59 ` Will Deacon

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