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SubjectRe: == NULL
On Wed, 2001-11-28 at 07:23, Andi Kleen wrote:
> Frank Cornelis <> writes:
> > Hey,
> >
> > I found in some code checks for being NULL.
> > When can of a process be NULL except right before the
> > process-kill?
> For kernel threads that run in lazy-mm mode. It allows a much cheaper context
> switch into kernel threads.

oh. so not all kernel threades have mm == null. I used to think that
kernel threads ran in the kernel's address space, therefore there was no
point in having an mm struct as that just defines a virtual process
address space. What's this lazy_mm mode?



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