Hmm, shouldn't patches be sent inline ?
Otherwise I need to cut&paste in order to reply.

Anyway. cpu_system_map looks fine. It's identical in functionality (minus the 
notifier) to the ~cpu_isolated_map. Different name works for me.

As I explained in the prev reply I suggest we use CPU hotplug instead of the 
brand new notifier mechanism that requires changes to a bunch of things, and 
at the end of the day ends up doing the same exact thing. ie Moving things out 
of the CPU that is being isolated.

quoted text
> --- linux-2.6.orig/kernel/sched.c
> +++ linux-2.6/kernel/sched.c
> @@ -4854,6 +4854,9 @@ asmlinkage long sys_sched_setaffinity(pi
>  cpumask_t cpu_present_map __read_mostly;
>  EXPORT_SYMBOL(cpu_present_map);
>  
> +cpumask_t cpu_system_map __read_mostly = CPU_MASK_ALL;
> +EXPORT_SYMBOL(cpu_system_map);
> +
>  #ifndef CONFIG_SMP
>  cpumask_t cpu_online_map __read_mostly = CPU_MASK_ALL;
>  EXPORT_SYMBOL(cpu_online_map);

I beleive those masks belong in kernel/cpu.c instead of kernel/sched.c.
It can be done with a separate patch of course.

Max





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