Long description

The figure shows a horizontal block labeled Virtual address and it is divided into five parts labeled Global directory, Upper directory, Middle directory, Page, and Offset. An arrow is pointing from the Global directory to a vertical rectangular block labeled Page global directory which is divided into seven segments and the fourth segment is shaded. A one-sided arrow is pointed downwards from the sixth segment. Another one-sided arrow is pointed upward from the second segment. An arrow is pointing from the Upper directory to a vertical rectangular block labeled Page upper directory which is divided into seven segments and the second segment is shaded. An arrow is pointing from the fourth segment of the Page global directory to the seventh segment of the Page upper directory. A one-sided arrow is pointing from the Middle directory to a vertical rectangular block labeled Page Middle directory which is divided into seven segments and the third segment is shaded. Another one-sided arrow is pointing from the second segment of the Page Upper directory to the seventh segment of the Page Middle directory. A one-sided arrow is pointing from the Page block to a vertical rectangular block labeled Page Table which is divided into seven segments and the fourth segment is shaded. Another one-sided arrow is pointing from the third segment of the Page Middle directory to the seventh segment of the Page Table. A one-sided arrow is pointing from the Page block to a vertical rectangular block labeled Page which consists of one segment that is shaded. Another one-sided arrow is pointing from the fourth segment of the Page table to the Page Block.