OK, let's see if I can make it real straight :D On Sun, Aug 22, 2010 at 17:28, Parmenides <[email protected]> wrote: > Hi, > > It's said that kernel thread is running in kernel address space only.
See, it's "kernel" thread, meaning it's a thread that operates in kernel mode. Thus, no wonder it just "wander" in kernel land only... in this case, the fancy words are: "kernel address space" But this doesn;t mean it could not communicate with user mode, if necessary... > I wonder what's the meaning of "running in kernel address space only". > When kernel thread running, which page table is used? Is there any > special characteristics of this page table? it "borrows" latest normal process's (e.g non kernel thread) memory address space. Why is it possible? simple, because kernel address space is the same for every process...kernel address space is mapped equally for all... -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to [email protected] Please read the FAQ at http://kernelnewbies.org/FAQ
