TWo-Level Hierarchical Page Table 4-kbvte root Composed of 210 4- page table byte page table entries Composed of 2204- byte page table 4-Mbvte user entries, occupying page table 20 pages 4-Gbvte user address space is composed of 204 kbyte(212) pages Figure 8.4 A Two-Level Hierarchical Page Table 1515 Two-Level Hierarchical Page Table is composed of 2 20 4-kbyte (212) pages Composed of 220 4- byte page table entries, occupying 2 10 pages Composed of 210 4- byte page table entries