Re: [PATCH 0/9] Multiple devpts instances

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Daniel Lezcano wrote:
> sukadev@xxxxxxxxxxxxxxxxxx wrote:
>> Enable multiple instances of devpts filesystem so each container can
>> allocate
>> ptys independently.
>>   
> Hi suka,
> 
> It looks like the /proc/sys/kernel/pty/max and nr are not virtualized.
> Modifying in the container the "max" pty, that impacts the init_pty.
> Same as nr which does not show the real number of pty allocated for the
> container.
> 
> Are you planning to fix this ?
> 

That's a separate issue, i.e. a resource allocation
localization/globalization issue.  The main reason for these limits is
top put a cap on the amount of low kernel memory used on 32-bit systems
especially, which is somewhat inherently global.

Resource limit partitioning is a much bigger and orthogonal problem.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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