Kernel deamons that are invoked during bootup

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Hello everyone,

I observed that the various kernel deamons like
khubd,kjournald, etc., that are running on the system
have process ids greater than 100. As far as i have
understood it these kernel_threads are invoked from
functions inside init/main.c. The thing i would like
to know is how the PID's are assigned to these
kernel_threads. I understand that kernel_thread
invokes sys_clone() syscall.

Some of the kernel_threads have PID's less than 10,
which is quiet understandable as the PID 1 is reserved
for the init process, but some of them have PID's >
100 which is confusion.

Any clarification would be helpful.

TIA

Karthik

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