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383c279911
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>