Re: kernel_thread

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Robert Love <rml@xxxxxxxxxx> writes:

> On Fri, 2004-08-20 at 11:05 +0530, Nilanjan Roychowdhury wrote:
>
>> >>> if I do not call daemonize() then also I can't access any user space data ????
>
> daemonize() does not change that in any way, no.

The original poster could look at access_process_vm in kernel/ptrace.c
to get a clearer idea of how kernel code can safely relate to the
virtual pages of some arbitrary process.  Each user process can have a
different address space, with its own page tables.

Mel Gorman's thesis could help.

-- 
  Ed L Cashin <ecashin@xxxxxxxxxx>


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