2
$\begingroup$

I am learning OS from Silberschatz book. I read the Valid-invalid bit in a process page table also. But I could not understand why valid-invalid bit is required. The pagetable is dynamically built as pages are mapped to frames. So all the entries in page-table are valid.

thanks

Improve this question
$\endgroup$
3

0

Reset to default

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct.

Browse other questions tagged or ask your own question.