Handling Page Fault
- 1. load M execution Operating System Back Store M Page Table i Physical Memory free frame Were is M? Status: reference By Afnan A. Al Subaihin
- 2. load M Operating System Back Store M Page Table i Physical Memory free frame Status: Oops! The page that contains M is invalid: issue a trap. reference By Afnan A. Al Subaihin execution
- 3. load M Operating System Back Store M Page Table i Physical Memory free frame Status: Oops! The page that contains M is invalid: issue a trap. reference trap By Afnan A. Al Subaihin execution
- 4. load M Operating System Back Store M Page Table i Physical Memory free frame Status: reference trap Problem can be solved: page is in backing store. By Afnan A. Al Subaihin execution
- 5. load M Operating System Back Store M Page Table i Physical Memory free frame Status: reference trap Bring the missing page into memory. By Afnan A. Al Subaihin execution
- 6. load M Operating System Back Store M Page Table i Physical Memory free frame Status: reference trap Page is now in memory: update it’s table entry. By Afnan A. Al Subaihin execution
- 7. load M Operating System Back Store M Page Table Physical Memory free frame Status: reference trap Page is now in memory: update it’s table entry. v By Afnan A. Al Subaihin execution
- 8. load M Operating System Back Store M Page Table Physical Memory free frame Status: reference trap v Now, restart the instruction to execute it properly By Afnan A. Al Subaihin execution restart