Re: [PATCH] cpuset: Allow v2 behavior in v1 cgroup

[Zefan Li]

On 2017/8/16 1:27, Waiman Long wrote:
> Cpuset v2 has some valuable attributes that are not present in
> v1 because of backward compatibility concern. One of that is the
> restoration of the original cpu and memory node mask after a hot
> removal and addition event sequence.
> 
> This patch adds a new kernel command line option "cpuset_v2_mode=" to
> allow cpuset to have v2 behavior in a v1 cgroup when using a non-zero
> value. This enables users to optionally enable cpuset v2 behavior if
> they choose to.
> 
> Signed-off-by: Waiman Long 

I have no strong objection. I have received quite a few requests for
this in the past, and some were from other departments in my company.

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Re: [PATCH] Mark "Out of Date" addresses as undeliverable

[Zefan Li]

On 2016/4/26 17:52, Jonathan Corbet wrote:
> On Thu, 21 Apr 2016 23:04:26 +0800
> Zhigang Gao  wrote:
> 
>>  Chinese maintainer for help.  Contact the Chinese maintainer, if this
>>  translation is outdated or there is problem with translation.
>>  
>> -Chinese maintainer: Zhang Le 
>> +Chinese maintainer: Zhang Le  
> 
> So this makes me a little uncomfortable...the document now says to
> contact somebody who cannot be contacted.  It's a promise of help that is
> empty.  If Zhang Le has truly vanished, and nobody else is willing to
> fill in, I think it would be better to simply delete this text.
> 
>> -   Li Zefan 
>> -   Wang Chen 
>> +   Li Zefan  
>> +   Wang Chen  
> 
> Zefan, at least, is trivially findable at his new address (copied);
> Zefan, I assume you would like things updated here?  Which address would
> you like to use?
> 

Yeah, I'm still actively working in the kernel and in the open-source 
community. :)

lize...@huawei.com. I use l...@kernel.org for maintaning v3.4.y only.

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Re: [PATCH] Documentation: cgroup v1: remove section about subsystem as a module.

[Zefan Li]

On 2016/1/14 21:46, Rami Rosen wrote:
> This patch removes the text relating to compiling cgroup as a module,
> since commit  3ed80a62bf95 ("cgroup: drop module support") makes this text not
> relevant anymore.
> 
> Signed-off-by: Rami Rosen 

Acked-by: Zefan Li 

> ---
>  Documentation/cgroup-v1/cgroups.txt | 5 -
>  1 file changed, 5 deletions(-)
> 
> diff --git a/Documentation/cgroup-v1/cgroups.txt 
> b/Documentation/cgroup-v1/cgroups.txt
> index c6256ae..176f95e 100644
> --- a/Documentation/cgroup-v1/cgroups.txt
> +++ b/Documentation/cgroup-v1/cgroups.txt
> @@ -525,11 +525,6 @@ Each subsystem should:
>  - add an entry in linux/cgroup_subsys.h
>  - define a cgroup_subsys object called _subsys
>  
> -If a subsystem can be compiled as a module, it should also have in its
> -module initcall a call to cgroup_load_subsys(), and in its exitcall a
> -call to cgroup_unload_subsys(). It should also set its_subsys.module =
> -THIS_MODULE in its .c file.
> -
>  Each subsystem may export the following methods. The only mandatory
>  methods are css_alloc/free. Any others that are null are presumed to
>  be successful no-ops.
> 

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