tree f2f9788dcbfa62fe6160cae82e67b8d83eca5bc0
parent 7078db46215f9137801a122f87ac31c504220a94
author Catalin Marinas <catalin.marinas@arm.com> 1405954490 +0100
committer Catalin Marinas <catalin.marinas@arm.com> 1406125695 +0100

arm64: Add support for 48-bit VA space with 64KB page configuration

This patch allows support for 3 levels of page tables with 64KB page
configuration allowing 48-bit VA space. The pgd is no longer a full
PAGE_SIZE (PTRS_PER_PGD is 64) and (swapper|idmap)_pg_dir are not fully
populated (pgd_alloc falls back to kzalloc).

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Jungseok Lee <jungseoklee85@gmail.com>