| Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction [message #6617] |
Wed, 20 September 2006 19:35  |
Chandra Seetharaman
Messages: 88
Registered: August 2006
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Member |
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On Wed, 2006-09-20 at 12:25 -0700, Paul Menage wrote:
> On 9/20/06, Chandra Seetharaman <sekharan@us.ibm.com> wrote:
> >
> > We had this discussion more than 18 months back and concluded that it is
> > not the right thing to do. Here is the link to the thread:
>
> Even if the resource control portions aren't totally compatible,
> having two separate process container abstractions in the kernel is
> sub-optimal, both in terms of efficiency and userspace management. How
> about splitting out the container portions of cpuset from the actual
> resource control, so that CKRM/RG can hang off of it too? Creation of
> a cpuset or a resource group would be driven by creation of a
> container; at fork time, a task inherits its parent's container, and
> hence its cpuset and/or resource groups.
>
> At its most crude, this could be something like:
>
> struct container {
> #ifdef CONFIG_CPUSETS
> struct cpuset cs;
> #endif
> #ifdef CONFIG_RES_GROUPS
> struct resource_group rg;
> #endif
> };
Won't it restrict the user to choose one of these, and not both.
It will also prevent the possibility of having resource groups within a
cpuset.
>
> but at least it would be sharing some of the abstractions.
>
> Paul
>
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--
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Chandra Seetharaman | Be careful what you choose....
- sekharan@us.ibm.com | .......you may get it.
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