netdev - Re: [PATCH net] ipvs: Simplify the allocation of ip_vs

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Date: Wed, 17 Jan 2024 09:29:28 +0000
From: Simon Horman <horms@...nel.org>
To: Kunwu Chan <chentao@...inos.cn>
Cc: ja@....bg, pablo@...filter.org, kadlec@...filter.org, fw@...len.de,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, netdev@...r.kernel.org,
	lvs-devel@...r.kernel.org, netfilter-devel@...r.kernel.org,
	coreteam@...filter.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] ipvs: Simplify the allocation of ip_vs_conn slab
 caches

On Wed, Jan 17, 2024 at 03:20:45PM +0800, Kunwu Chan wrote:
> Use the new KMEM_CACHE() macro instead of direct kmem_cache_create
> to simplify the creation of SLAB caches.
> 
> Signed-off-by: Kunwu Chan <chentao@...inos.cn>

Hi Kunwu Chan,

I think this is more of a cleanup than a fix,
so it should probably be targeted at 'nf-next' rather than 'net'.

If it is a fix, then I would suggest targeting it at 'nf'
and providing a Fixes tag.

The above notwithstanding, this looks good to me.

Acked-by: Simon Horman <horms@...nel.org>

> ---
>  net/netfilter/ipvs/ip_vs_conn.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
> index a743db073887..98d7dbe3d787 100644
> --- a/net/netfilter/ipvs/ip_vs_conn.c
> +++ b/net/netfilter/ipvs/ip_vs_conn.c
> @@ -1511,9 +1511,7 @@ int __init ip_vs_conn_init(void)
>  		return -ENOMEM;
>  
>  	/* Allocate ip_vs_conn slab cache */
> -	ip_vs_conn_cachep = kmem_cache_create("ip_vs_conn",
> -					      sizeof(struct ip_vs_conn), 0,
> -					      SLAB_HWCACHE_ALIGN, NULL);
> +	ip_vs_conn_cachep = KMEM_CACHE(ip_vs_conn, SLAB_HWCACHE_ALIGN);
>  	if (!ip_vs_conn_cachep) {
>  		kvfree(ip_vs_conn_tab);
>  		return -ENOMEM;