linux-kernel - Re: [PATCH] netclassid_cgroup: explicitly init the early

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Message-ID: <53560C12.2050309@huawei.com>
Date:	Tue, 22 Apr 2014 14:28:34 +0800
From:	Li Zefan <lizefan@...wei.com>
To:	Jianyu Zhan <nasa4836@...il.com>
CC:	<davem@...emloft.net>, <tj@...nel.org>, <nhorman@...driver.com>,
	<aris@...hat.com>, <dborkman@...hat.com>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] netclassid_cgroup: explicitly init the early_init field

On 2014/4/22 13:31, Jianyu Zhan wrote:
> For a cgroup subsystem who should init early, then it should carefully
> take care of the implementation of css_alloc, because it will be called
> before mm_init() setup the world.
> 
> Luckily we don't, and we better explicitly assign the early_init field
> to 0, for document reason.
> 

The initialization is redundant, and your reason is not reasonable.

> Signed-off-by: Jianyu Zhan <nasa4836@...il.com>

nack

> ---
>  net/core/netclassid_cgroup.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c
> index 22931e1..1b07dca 100644
> --- a/net/core/netclassid_cgroup.c
> +++ b/net/core/netclassid_cgroup.c
> @@ -108,4 +108,5 @@ struct cgroup_subsys net_cls_cgrp_subsys = {
>  	.css_free		= cgrp_css_free,
>  	.attach			= cgrp_attach,
>  	.base_cftypes		= ss_files,
> +	.early_init		= 0,
>  };
> 

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