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><TT
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>smp_processor_id</TT
>()/<TT
CLASS="FUNCTION"
>cpu_[number/logical]_map()</TT
>
<TT
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>include/asm/smp.h</TT
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> <TT
CLASS="FUNCTION"
>smp_processor_id()</TT
> returns the current
processor number, between 0 and <SPAN
CLASS="SYMBOL"
>NR_CPUS</SPAN
> (the
maximum number of CPUs supported by Linux, currently 32). These
values are not necessarily continuous: to get a number between 0
and <TT
CLASS="FUNCTION"
>smp_num_cpus()</TT
> (the number of actual
processors in this machine), the
<TT
CLASS="FUNCTION"
>cpu_number_map()</TT
> function is used to map the
processor id to a logical number.
<TT
CLASS="FUNCTION"
>cpu_logical_map()</TT
> does the reverse.
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