One question

One question

[Meyer Lansky]

 I continue to study the task scheduler O(1)?

I do not understand what makes this part of the code ?
1317 void kick_process(struct task_struct *p)
1318 {
1319???????? int cpu;
1320 
1321???????? preempt_disable();
1322???????? cpu = task_cpu(p);
1323???????? if ((cpu != smp_processor_id()) && task_curr(p))
1324???????????????? smp_send_reschedule(cpu);
1325???????? preempt_enable();
link to source code :  http://lxr.free-electrons.com/source/kernel/sched/core.c#L1317

what it means to do this function  kick_process ? 
I just met her for the first time

?
If you say I will be very grateful to you for your help
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One question

[Giedrius Statkevičius]

On 2015.01.22 17:57, Meyer Lansky wrote:
>  I continue to study the task scheduler O(1) 
> 
> I do not understand what makes this part of the code ?
> 1317 void kick_process(struct task_struct *p)
> 1318 {
> 1319         int cpu;
> 1320 
> 1321         preempt_disable();
> 1322         cpu = task_cpu(p);
> 1323         if ((cpu != smp_processor_id()) && task_curr(p))
> 1324                 smp_send_reschedule(cpu);
> 1325         preempt_enable();
> link to source code :  http://lxr.free-electrons.com/source/kernel/sched/core.c#L1317
> 
> what it means to do this function  kick_process ? 
> I just met her for the first time
> 
>  
> If you say I will be very grateful to you for your help
> 
> 
> 
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies at kernelnewbies.org
> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
> 
Check the comment just above the function definition. Does that help?

-- 
Thanks,
Giedrius