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Currently ARM64_KERNEL_USES_PMD_MAPS is an unnecessary abstraction. Kernel mapping at PMD (aka huge page aka block) level, is only applicable with 4K base page, which makes it 2MB aligned, a necessary requirement for linear mapping and physical memory start address. This can be easily achieved by directly checking against base page size itself. This drops off the macro ARM64_KERNE_USES_PMD_MAPS which is redundant. Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Link: https://lore.kernel.org/r/20221108034406.2950071-1-anshuman.khandual@arm.com Signed-off-by: Will Deacon <will@kernel.org>