arm64/mm: remove pointless map/unmap sequences when creating page tables
The routines __pud_populate and __pmd_populate only create a table entry at their respective level which refers to the next level page by its physical address, so there is no reason to map this page and then unmap it immediately after. Reviewed-by: NMark Rutland <mark.rutland@arm.com> Tested-by: NMark Rutland <mark.rutland@arm.com> Signed-off-by: NArd Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
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