Per Jail Memory Limits

[Tom Judge]

Kostik Belousov wrote:
> On Mon, Oct 05, 2009 at 07:05:53PM +0000, Tom Judge wrote:
>   
>> Kostik Belousov wrote:
>>     
>>> On Mon, Oct 05, 2009 at 05:47:50PM +0000, Tom Judge wrote:
>>>  
>>>       
>>>> I started to port this to 7.1 today:
>>>>
>>>> http://wiki.freebsd.org/JailResourceLimits
>>>>
>>>>
>>>> What are the peoples opinions on this patch?
>>>>    
>>>>         
>>> Since r194766, we have precise accounting for the anonymous memory,
>>> both globally and per-uid. If current jails infrastructure allows to
>>> set per-jail limits (and I suspect that it is), then you should
>>> just match these two facilities.
>>>
>>> The seemingly problematic thing is processes changing their jails.
>>> It can be done similar to how the uid accounting is done currently,
>>> by remembering which jail was charged in corresponding vm map
>>> entry and object.
>>>  
>>>       
>> Did this get MFC'd to stable/7?
>>     
> No, and never will be.
>   

Could you possibly expand on the reasons why this will never be MFC'd?


Thanks

Tom