Re: [PATCH] netclassid_cgroup: explicitly init the early_init field

From: Neil Horman
Date: Tue Apr 22 2014 - 07:03:39 EST


On Tue, Apr 22, 2014 at 01:31:16PM +0800, 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.
>
> Signed-off-by: Jianyu Zhan <nasa4836@xxxxxxxxx>
> ---
> 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,
> };
> --
> 2.0.0-rc0
>
>
Agreed, this doesn't make sense, early_init is default assigned to zero. What
problem are you trying to solve?
Neil

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