linux-kernel - Re: [PATCH v2 1/3] Documentation: kernel-parameters: remove noaliencache

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Date:   Wed, 6 Dec 2023 16:35:52 +0100
From:   Vlastimil Babka <vbabka@...e.cz>
To:     sxwjean@...com, 42.hyeyoo@...il.com, cl@...ux.com,
        linux-mm@...ck.org
Cc:     penberg@...nel.org, rientjes@...gle.com, iamjoonsoo.kim@....com,
        roman.gushchin@...ux.dev, corbet@....net, keescook@...omium.org,
        arnd@...db.de, akpm@...ux-foundation.org,
        gregkh@...uxfoundation.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Xiongwei Song <xiongwei.song@...driver.com>
Subject: Re: [PATCH v2 1/3] Documentation: kernel-parameters: remove
 noaliencache

On 12/3/23 01:14, sxwjean@...com wrote:
> From: Xiongwei Song <xiongwei.song@...driver.com>
> 
> Since slab allocator has already been removed. There is no users about

"There are no users of the noaliencache parameter" ...

> noaliencache, so let's remove it.
> 
> Suggested-by: Hyeonggon Yoo <42.hyeyoo@...il.com>
> Reviewed-by: Kees Cook <keescook@...omium.org>
> Signed-off-by: Xiongwei Song <xiongwei.song@...driver.com>

Reviewed-by: Vlastimil Babka <vbabka@...e.cz>

> ---
> Hi Hyeonggon & Christoph,
> 
> I didn't pick your Acked-by tags because I removed the changes for 
> slab_max_order. Would you like to allow me to add them in this patch?
> 
> Regards,
> Xiongwei
> 
> v4: Collect Reviewed-by tag.
> v3: Remove the changes for slab_max_order.
> v2: Add changes for removing "noaliencache".
>     https://lore.kernel.org/linux-mm/20231122143603.85297-1-sxwjean@me.com/
> v1: Remove slab_max_order.
>     https://lore.kernel.org/linux-mm/20231120091214.150502-2-sxwjean@me.com/
> ---
>  Documentation/admin-guide/kernel-parameters.txt | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 65731b060e3f..9f94baeb2f82 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -3740,10 +3740,6 @@
>  	no5lvl		[X86-64,RISCV] Disable 5-level paging mode. Forces
>  			kernel to use 4-level paging instead.
>  
> -	noaliencache	[MM, NUMA, SLAB] Disables the allocation of alien
> -			caches in the slab allocator.  Saves per-node memory,
> -			but will impact performance.
> -
>  	noalign		[KNL,ARM]
>  
>  	noaltinstr	[S390] Disables alternative instructions patching