On Tue, 2006-05-02 at 16:15 +0530, Manjunath Naik wrote: > > Hi all, > > While I am reading "Understanding Linux Kernel" Book, I came across > the following sentence in chapter 11 - Process Scheduling. > > "The Schedule() function ensure that if next selected process is > kernel thread, then it uses the address space used by the previos > process". > > Why it is required? it's an optimization > Does the kernel thread not have its own address space? what would it *mean* to have a own address space (userspace address space that is).. you're not allowed to do copy_*_user api from kernel thread for this reason.. since it means nothing. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
