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SubjectAdding members to task_struct without recompling the kernel

I'm writing a kernel module that needs to keep track of a pointer to some
custom module information for every task in the system. Basically I want
to add another member to task_struct but I don't want to have to
recompile the kernel to do it.

Unlike "struct file", there doesn't seem to be any private_data pointer in
task_struct that I could use. I've come up with a couple nasty kludges to
accomplish this but I'm hoping for a more sain solution.

The other option would be to maintain the information in an ADT that
parallels task_struct, but I really want to be able to access the
information in constant time if at all possible.


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