[Devel] Re: [ckrm-tech] containers development plans

[Balbir Singh]

Paul Menage wrote:
> On 7/9/07, Balbir Singh <balbir at linux.vnet.ibm.com> wrote:
>> > - splitting the memory and cpu isolation parts of cpusets into two
>> > separate subsystems (still backwards-compatible)
>>
>> I see memory isolation using cpusets as very topology dependent
>> and I am not sure if the model would work for memory controllers.
> 
> I wasn't suggesting making any changes to the page-based memory
> controllers as part of this.
> 
> Currently in the mainline kernel, the cpumask and nodemask portions of
> cpusets are essentially two mostly-independent modules that happen to
> be coupled together in the same file and use the same process tracking
> system (cpusets). Once we have generic process containers, splitting
> this into a "cpusets" subsystem that handles all the cpumask portions
> of the existing cpusets, and a "memsets" subsystem that handles all
> the nodemask and memory migration portions would remove that coupling
> and give more flexibility.
> 
> Paul

Aaah.. I see, that makes sense from a cpusets/containers perspective.


-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL