Messages in this thread |  | | Subject | Re: task_struct.mm == NULL | From | Andi Kleen <> | Date | 28 Nov 2001 13:23:20 +0100 |
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Frank Cornelis <Frank.Cornelis@rug.ac.be> writes:
> Hey, > > I found in some code checks for task_struct.mm being NULL. > When can task_struct.mm 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.
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