TLB operation Return to Faulted Instructon cPU checks the TLB By the principle of TLB hit locality, most virtual TLB miss Entry in ILB memory references will Access Page Table be to locations in Handling Routine os Instructs cpt i to Read the Page recently used pages from Disk Memory Therefore, most CPU Activate LO Hardware Update TLB references will involve from Dik to Main Memory Physical Add page table entries in the cache Full? Pape Tables 19 Figure 8.8 Operation of Paging and Translation Lookaside Buffer (TLB)[FURH87]19 TLB operation TLB hit TLB miss By the principle of locality, most virtual memory references will be to locations in recently used pages. Therefore, most references will involve page table entries in the cache