title: Does page table per process contains entries mapping to kernel address space?
body: <p>In Linux, every process has a page table which maps user address spaces to physical page frames. </p>
  
  <p>Does page table per process contain entries mapping to Kernel address space? </p>
  
  <p>If yes, page tables of all processes map one Kernel image in same address. That means all of tables contains same entries for Kernel address. Is it wasteful?</p>