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arm64/mm: Use CONT_PMD_SHIFT for ARM64_MEMSTART_SHIFT 

ARM64_MEMSTART_SIZE needs to be aligned with CONT_PMD_SIZE on 16K page size
config. Hence just directly use CONT_PMD_SHIFT.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/1623663755-8949-1-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Anshuman Khandual 2021-06-14 15:12:35 +05:30 committed by Will Deacon
parent 0f473ac746
commit ca6ece6a76
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/include/asm/kernel-pgtable.h
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@ -122,7 +122,7 @@
#if defined(CONFIG_ARM64_4K_PAGES)
#define ARM64_MEMSTART_SHIFT PUD_SHIFT
#elif defined(CONFIG_ARM64_16K_PAGES)
#define ARM64_MEMSTART_SHIFT (PMD_SHIFT + 5)
#define ARM64_MEMSTART_SHIFT CONT_PMD_SHIFT
#else
#define ARM64_MEMSTART_SHIFT PMD_SHIFT
#endif