Documentation/arm64/memory.txt: fix typo

There is no swapper_pgd_dir, it meant swapper_pg_dir.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

authored by Alex Bennée and committed by Catalin Marinas a24637d5 74c3deac

+1 -1
+1 -1
Documentation/arm64/memory.txt
··· 17 17 the same bits set to 1. TTBRx selection is given by bit 63 of the 18 18 virtual address. The swapper_pg_dir contains only kernel (global) 19 19 mappings while the user pgd contains only user (non-global) mappings. 20 - The swapper_pgd_dir address is written to TTBR1 and never written to 20 + The swapper_pg_dir address is written to TTBR1 and never written to 21 21 TTBR0. 22 22 23 23