Re: [PATCH] build sched domains tracking cpusets

[Siddha, Suresh B]

On Fri, Jul 07, 2006 at 12:31:07PM -0700, hawkes@xxxxxxx wrote:
>From: "Nick Piggin" <nickpiggin@xxxxxxxxxxxx>
>>
>> Can you get away without using the bundle? Or does it make things easier?
>> You could add a new use_count to struct sched_domain if you'd like.... 
>> does it make the setup/teardown too difficult?
>
>The use_count is a ploy to reduce the demand for 
>SCHED_DOMAIN_CPUSET_MAX 
>slots.  I have been told that one popular job manager will create some 
>duplicate cpusets.
>
>The bundle is really there to simplify discovering the sched 
>group lists.

I think we can do away with the bundle. sd has a pointer to the sched_group
and the first cpu in sd->span can free the groups list allocation.

thanks,
suresh
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