/* SPDX-License-Identifier: GPL-2.0-only *//* * Copyright (C) 2012 ARM Ltd. */#ifndef __ASM_SPARSEMEM_H#define __ASM_SPARSEMEM_H #include <asm/pgtable-prot.h> #define MAX_PHYSMEM_BITS		PHYS_MASK_SHIFT#define MAX_POSSIBLE_PHYSMEM_BITS	(52) /* * Section size must be at least 512MB for 64K base * page size config. Otherwise it will be less than * MAX_PAGE_ORDER and the build process will fail. */#ifdef CONFIG_ARM64_64K_PAGES#define SECTION_SIZE_BITS 29 #else /* * Section size must be at least 128MB for 4K base * page size config. Otherwise PMD based huge page * entries could not be created for vmemmap mappings. * 16K follows 4K for simplicity. */#define SECTION_SIZE_BITS 27#endif /* CONFIG_ARM64_64K_PAGES */ #endif