When the page size is 2 MB, bits 0 to 20 represent the byte offset into the physical page. That is, page table
offset and byte offset of the 4 KB page translation are combined to provide a byte offset into the 2 MB
physical page. Figure 5-62 illustrates how paging is used to translate a 64-bit linear address into a physical
address for the 2 MB page size.
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Figure 5-61: 4 KB page translation, virtual to physical address translation