| Re: [ckrm-tech] [PATCH 3/7] Containers (V8): Add generic multi-subsystem API to containers [message #11808] |
Sat, 07 April 2007 01:58 |
Paul Menage
Messages: 642
Registered: September 2006
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Senior Member |
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On 4/6/07, menage@google.com <menage@google.com> wrote:
> This patch removes all cpuset-specific knowlege from the container
> system, replacing it with a generic API that can be used by multiple
> subsystems. Cpusets is adapted to be a container subsystem.
>
> +
> + /* Set of subsystem states, one for each subsystem. NULL for
> + * subsystems that aren't part of this hierarchy. These
> + * pointers reduce the number of dereferences required to get
> + * from a task to its state for a given container, but result
> + * in increased space usage if tasks are in wildly different
> + * groupings across different hierarchies. This array is
> + * mostly immutable after creation - a newly registered
> + * subsystem can result in a pointer in this array
> + * transitioning from NULL to non-NULL */
> + struct container_subsys_state *subsys[CONTAINER_SUBSYS_COUNT];
Oops, this comment is rather out of date and should have been trimmed
for this patch. It should be disregarded apart from the first
sentence.
Paul
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