1 votes 1 votes Should we have to change the mode while modifying the page table? Operating System paging operating-system + – vaishali jhalani asked Nov 26, 2016 vaishali jhalani 913 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply Prashant. commented Nov 26, 2016 reply Follow Share why not when you write memory then u have to change the mode from user to kernal . otherwise anyone can use memory and modify it . Memory related task done in Kernal mode only. 3 votes 3 votes Hradesh patel commented Nov 26, 2016 reply Follow Share yes its chenge the mode from user to kernal, because all memery related modification done only in kernal mode only. may this is help u http://www.tldp.org/LDP/tlk/mm/memory.html 0 votes 0 votes Please log in or register to add a comment.
1 votes 1 votes User processes cannot modify page tables and modification to page table only possible in kernel mode Lokesh . answered Nov 26, 2016 Lokesh . comment Share Follow See all 0 reply Please log in or register to add a comment.
