···1717the same bits set to 1. TTBRx selection is given by bit 63 of the1818virtual address. The swapper_pg_dir contains only kernel (global)1919mappings while the user pgd contains only user (non-global) mappings.2020-The swapper_pgd_dir address is written to TTBR1 and never written to2020+The swapper_pg_dir address is written to TTBR1 and never written to2121TTBR0.22222323